./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0930.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/double_req_bl_0930.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa58f0fdfca28e76916393990951e8e698cd3943 ............................................................................................................................................................................................................................................................................................................. 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/double_req_bl_0930.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa58f0fdfca28e76916393990951e8e698cd3943 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:15:01,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:15:01,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:15:02,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:15:02,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:15:02,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:15:02,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:15:02,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:15:02,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:15:02,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:15:02,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:15:02,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:15:02,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:15:02,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:15:02,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:15:02,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:15:02,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:15:02,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:15:02,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:15:02,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:15:02,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:15:02,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:15:02,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:15:02,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:15:02,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:15:02,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:15:02,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:15:02,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:15:02,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:15:02,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:15:02,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:15:02,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:15:02,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:15:02,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:15:02,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:15:02,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:15:02,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:15:02,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:15:02,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:15:02,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:15:02,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:15:02,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:15:02,144 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:15:02,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:15:02,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:15:02,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:15:02,149 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:15:02,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:15:02,149 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:15:02,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:15:02,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:15:02,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:15:02,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:15:02,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:15:02,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:15:02,150 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:15:02,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:15:02,151 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:15:02,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:15:02,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:15:02,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:15:02,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:15:02,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:15:02,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:15:02,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:15:02,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:15:02,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:15:02,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:15:02,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:15:02,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:15:02,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:15:02,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa58f0fdfca28e76916393990951e8e698cd3943 [2020-10-24 23:15:02,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:15:02,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:15:02,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:15:02,583 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:15:02,584 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:15:02,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0930.c [2020-10-24 23:15:02,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ec20774/7be1b401dda94373906f23491916f97f/FLAGab8e297c9 [2020-10-24 23:15:03,276 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:15:03,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0930.c [2020-10-24 23:15:03,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ec20774/7be1b401dda94373906f23491916f97f/FLAGab8e297c9 [2020-10-24 23:15:03,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ec20774/7be1b401dda94373906f23491916f97f [2020-10-24 23:15:03,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:15:03,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:15:03,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:03,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:15:03,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:15:03,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:03" (1/1) ... [2020-10-24 23:15:03,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f17deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:03, skipping insertion in model container [2020-10-24 23:15:03,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:03" (1/1) ... [2020-10-24 23:15:03,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:15:03,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:15:03,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:04,008 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:15:04,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:04,091 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:15:04,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04 WrapperNode [2020-10-24 23:15:04,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:04,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:04,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:15:04,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:15:04,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (1/1) ... [2020-10-24 23:15:04,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (1/1) ... [2020-10-24 23:15:04,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:04,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:15:04,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:15:04,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:15:04,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (1/1) ... [2020-10-24 23:15:04,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (1/1) ... [2020-10-24 23:15:04,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (1/1) ... [2020-10-24 23:15:04,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (1/1) ... [2020-10-24 23:15:04,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (1/1) ... [2020-10-24 23:15:04,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (1/1) ... [2020-10-24 23:15:04,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (1/1) ... [2020-10-24 23:15:04,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:15:04,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:15:04,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:15:04,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:15:04,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (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 [2020-10-24 23:15:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:15:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:15:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:15:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:15:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:15:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:15:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:15:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:15:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:15:05,038 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:15:05,040 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 23:15:05,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:05 BoogieIcfgContainer [2020-10-24 23:15:05,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:15:05,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:15:05,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:15:05,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:15:05,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:15:03" (1/3) ... [2020-10-24 23:15:05,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6c7474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:05, skipping insertion in model container [2020-10-24 23:15:05,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:04" (2/3) ... [2020-10-24 23:15:05,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6c7474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:05, skipping insertion in model container [2020-10-24 23:15:05,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:05" (3/3) ... [2020-10-24 23:15:05,056 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930.c [2020-10-24 23:15:05,073 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:15:05,080 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:15:05,096 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:15:05,125 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:15:05,126 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:15:05,126 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:15:05,126 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:15:05,127 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:15:05,127 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:15:05,127 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:15:05,127 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:15:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-10-24 23:15:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:15:05,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:05,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:05,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:05,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:05,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1030213693, now seen corresponding path program 1 times [2020-10-24 23:15:05,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:15:05,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883736268] [2020-10-24 23:15:05,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:15:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:15:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:15:05,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883736268] [2020-10-24 23:15:05,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:15:05,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:15:05,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653045873] [2020-10-24 23:15:05,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:15:05,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:15:05,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:15:05,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:15:05,369 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-10-24 23:15:05,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:15:05,391 INFO L93 Difference]: Finished difference Result 65 states and 105 transitions. [2020-10-24 23:15:05,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:15:05,393 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:15:05,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:15:05,404 INFO L225 Difference]: With dead ends: 65 [2020-10-24 23:15:05,405 INFO L226 Difference]: Without dead ends: 30 [2020-10-24 23:15:05,408 INFO L677 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 [2020-10-24 23:15:05,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-24 23:15:05,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-24 23:15:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-24 23:15:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2020-10-24 23:15:05,450 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 10 [2020-10-24 23:15:05,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:15:05,450 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions. [2020-10-24 23:15:05,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:15:05,451 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2020-10-24 23:15:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:15:05,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:05,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:05,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:15:05,452 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:05,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:05,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1305093504, now seen corresponding path program 1 times [2020-10-24 23:15:05,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:15:05,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376066631] [2020-10-24 23:15:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:15:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:15:05,506 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:15:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:15:05,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:15:05,619 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:15:05,620 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:15:05,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:15:05,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:15:05 BoogieIcfgContainer [2020-10-24 23:15:05,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:15:05,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:15:05,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:15:05,666 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:15:05,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:05" (3/4) ... [2020-10-24 23:15:05,670 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:15:05,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:15:05,673 INFO L168 Benchmark]: Toolchain (without parser) took 2029.82 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 27.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:05,674 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 46.1 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:15:05,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.39 ms. Allocated memory is still 46.1 MB. Free memory was 32.0 MB in the beginning and 19.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:05,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.07 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 19.7 MB in the beginning and 39.9 MB in the end (delta: -20.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:05,677 INFO L168 Benchmark]: Boogie Preprocessor took 44.35 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 38.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:05,678 INFO L168 Benchmark]: RCFGBuilder took 824.73 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 35.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:05,679 INFO L168 Benchmark]: TraceAbstraction took 616.99 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 27.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:15:05,680 INFO L168 Benchmark]: Witness Printer took 5.80 ms. Allocated memory is still 56.6 MB. Free memory was 27.5 MB in the beginning and 27.2 MB in the end (delta: 331.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:15:05,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 46.1 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.39 ms. Allocated memory is still 46.1 MB. Free memory was 32.0 MB in the beginning and 19.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.07 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 19.7 MB in the beginning and 39.9 MB in the end (delta: -20.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.35 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 38.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 824.73 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 35.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 616.99 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 27.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.80 ms. Allocated memory is still 56.6 MB. Free memory was 27.5 MB in the beginning and 27.2 MB in the end (delta: 331.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of bitwiseOr at line 61, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L146] double x = 1.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L60] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L148] double res = __ieee754_log(x); [L151] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L151] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0930.c", 3, "reach_error") VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 44 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=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-10-24 23:15:08,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:15:08,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:15:08,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:15:08,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:15:08,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:15:08,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:15:08,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:15:08,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:15:08,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:15:08,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:15:08,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:15:08,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:15:08,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:15:08,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:15:08,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:15:08,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:15:08,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:15:08,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:15:08,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:15:08,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:15:08,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:15:08,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:15:08,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:15:08,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:15:08,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:15:08,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:15:08,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:15:08,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:15:08,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:15:08,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:15:08,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:15:08,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:15:08,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:15:08,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:15:08,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:15:08,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:15:08,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:15:08,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:15:08,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:15:08,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:15:08,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:15:08,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:15:08,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:15:08,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:15:08,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:15:08,508 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:15:08,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:15:08,509 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:15:08,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:15:08,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:15:08,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:15:08,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:15:08,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:15:08,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:15:08,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:15:08,511 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:15:08,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:15:08,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:15:08,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:15:08,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:15:08,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:15:08,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:15:08,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:15:08,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:15:08,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:15:08,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:15:08,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:15:08,515 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:15:08,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:15:08,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:15:08,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:15:08,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:15:08,516 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa58f0fdfca28e76916393990951e8e698cd3943 [2020-10-24 23:15:08,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:15:09,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:15:09,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:15:09,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:15:09,054 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:15:09,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0930.c [2020-10-24 23:15:09,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70a3bd12/d5c41fbc5a4e46699942fb7de6fe3528/FLAG4ce751548 [2020-10-24 23:15:09,830 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:15:09,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0930.c [2020-10-24 23:15:09,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70a3bd12/d5c41fbc5a4e46699942fb7de6fe3528/FLAG4ce751548 [2020-10-24 23:15:10,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70a3bd12/d5c41fbc5a4e46699942fb7de6fe3528 [2020-10-24 23:15:10,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:15:10,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:15:10,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:10,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:15:10,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:15:10,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f760292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10, skipping insertion in model container [2020-10-24 23:15:10,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:15:10,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:15:10,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:10,456 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:15:10,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:15:10,597 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:15:10,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10 WrapperNode [2020-10-24 23:15:10,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:15:10,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:10,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:15:10,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:15:10,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:15:10,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:15:10,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:15:10,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:15:10,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (1/1) ... [2020-10-24 23:15:10,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:15:10,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:15:10,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:15:10,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:15:10,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (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 [2020-10-24 23:15:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:15:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:15:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:15:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:15:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:15:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:15:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:15:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:15:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:15:35,117 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:15:35,118 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 23:15:35,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:35 BoogieIcfgContainer [2020-10-24 23:15:35,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:15:35,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:15:35,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:15:35,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:15:35,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:15:10" (1/3) ... [2020-10-24 23:15:35,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de8d51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:35, skipping insertion in model container [2020-10-24 23:15:35,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:10" (2/3) ... [2020-10-24 23:15:35,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de8d51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:35, skipping insertion in model container [2020-10-24 23:15:35,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:35" (3/3) ... [2020-10-24 23:15:35,136 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930.c [2020-10-24 23:15:35,148 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:15:35,154 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:15:35,168 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:15:35,196 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:15:35,196 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:15:35,197 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:15:35,197 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:15:35,197 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:15:35,197 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:15:35,197 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:15:35,198 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:15:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-10-24 23:15:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:15:35,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:35,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:35,221 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:35,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:35,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1030213693, now seen corresponding path program 1 times [2020-10-24 23:15:35,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:15:35,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602886881] [2020-10-24 23:15:35,246 INFO L95 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 [2020-10-24 23:15:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:15:36,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:15:36,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:15:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:15:36,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:15:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:15:36,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602886881] [2020-10-24 23:15:36,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:15:36,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:15:36,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930639830] [2020-10-24 23:15:36,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:15:36,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:15:36,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:15:36,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:15:36,418 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-10-24 23:15:36,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:15:36,440 INFO L93 Difference]: Finished difference Result 65 states and 105 transitions. [2020-10-24 23:15:36,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:15:36,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:15:36,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:15:36,454 INFO L225 Difference]: With dead ends: 65 [2020-10-24 23:15:36,454 INFO L226 Difference]: Without dead ends: 30 [2020-10-24 23:15:36,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:15:36,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-24 23:15:36,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-24 23:15:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-24 23:15:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2020-10-24 23:15:36,498 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 10 [2020-10-24 23:15:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:15:36,499 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions. [2020-10-24 23:15:36,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:15:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2020-10-24 23:15:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:15:36,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:36,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:36,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:15:36,717 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:36,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:36,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1305093504, now seen corresponding path program 1 times [2020-10-24 23:15:36,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:15:36,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430205591] [2020-10-24 23:15:36,721 INFO L95 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 [2020-10-24 23:15:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:15:37,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-24 23:15:37,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:15:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:15:37,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:15:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:15:37,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430205591] [2020-10-24 23:15:37,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:15:37,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 23:15:37,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323478334] [2020-10-24 23:15:37,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 23:15:37,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:15:37,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 23:15:37,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 23:15:37,910 INFO L87 Difference]: Start difference. First operand 30 states and 41 transitions. Second operand 6 states. [2020-10-24 23:15:41,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:15:41,823 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions. [2020-10-24 23:15:42,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 23:15:42,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-10-24 23:15:42,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:15:42,645 INFO L225 Difference]: With dead ends: 50 [2020-10-24 23:15:42,645 INFO L226 Difference]: Without dead ends: 26 [2020-10-24 23:15:42,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-24 23:15:42,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-24 23:15:42,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-24 23:15:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-24 23:15:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2020-10-24 23:15:42,653 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 11 [2020-10-24 23:15:42,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:15:42,653 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2020-10-24 23:15:42,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 23:15:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2020-10-24 23:15:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-24 23:15:42,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:42,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:42,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:15:42,861 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:42,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:42,863 INFO L82 PathProgramCache]: Analyzing trace with hash 464469069, now seen corresponding path program 1 times [2020-10-24 23:15:42,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:15:42,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294521034] [2020-10-24 23:15:42,865 INFO L95 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 [2020-10-24 23:15:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:15:43,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-24 23:15:43,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:15:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:15:43,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:15:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:15:43,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294521034] [2020-10-24 23:15:43,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:15:43,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 23:15:43,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019287611] [2020-10-24 23:15:43,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 23:15:43,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:15:43,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 23:15:43,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 23:15:43,293 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 7 states. [2020-10-24 23:15:59,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:15:59,343 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2020-10-24 23:15:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:15:59,344 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-24 23:15:59,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:15:59,345 INFO L225 Difference]: With dead ends: 47 [2020-10-24 23:15:59,345 INFO L226 Difference]: Without dead ends: 44 [2020-10-24 23:15:59,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-24 23:15:59,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-24 23:15:59,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 28. [2020-10-24 23:15:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-24 23:15:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2020-10-24 23:15:59,365 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 17 [2020-10-24 23:15:59,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:15:59,367 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2020-10-24 23:15:59,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 23:15:59,367 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2020-10-24 23:15:59,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-24 23:15:59,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:15:59,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:15:59,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:15:59,585 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:15:59,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:15:59,587 INFO L82 PathProgramCache]: Analyzing trace with hash 466316111, now seen corresponding path program 1 times [2020-10-24 23:15:59,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:15:59,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296694972] [2020-10-24 23:15:59,588 INFO L95 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 [2020-10-24 23:16:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:00,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-24 23:16:00,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:16:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:00,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:16:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:00,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296694972] [2020-10-24 23:16:00,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:00,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-10-24 23:16:00,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435063987] [2020-10-24 23:16:00,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 23:16:00,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:16:00,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 23:16:00,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-24 23:16:00,950 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand 12 states. [2020-10-24 23:16:33,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:33,638 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2020-10-24 23:16:33,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 23:16:33,701 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-10-24 23:16:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:33,702 INFO L225 Difference]: With dead ends: 55 [2020-10-24 23:16:33,702 INFO L226 Difference]: Without dead ends: 46 [2020-10-24 23:16:33,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-24 23:16:33,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-24 23:16:33,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 28. [2020-10-24 23:16:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-24 23:16:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2020-10-24 23:16:33,711 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 17 [2020-10-24 23:16:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:33,712 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2020-10-24 23:16:33,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 23:16:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-10-24 23:16:33,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-24 23:16:33,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:33,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:33,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 23:16:33,923 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:33,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:33,924 INFO L82 PathProgramCache]: Analyzing trace with hash 671337773, now seen corresponding path program 1 times [2020-10-24 23:16:33,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:33,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283536814] [2020-10-24 23:16:33,926 INFO L95 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 [2020-10-24 23:16:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:35,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-24 23:16:35,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:16:35,375 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 126 [2020-10-24 23:16:35,387 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 23:16:35,394 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:35,394 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:16:35,429 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:35,431 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-24 23:16:35,431 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:165, output treesize:93 [2020-10-24 23:16:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:35,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:16:36,749 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-10-24 23:16:36,772 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2020-10-24 23:16:36,783 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 23:16:37,214 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-10-24 23:16:37,215 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:37,215 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:16:38,051 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-10-24 23:16:38,052 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:38,053 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-24 23:16:38,053 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:88, output treesize:46 [2020-10-24 23:16:46,857 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-10-24 23:17:05,059 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-10-24 23:17:16,711 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-10-24 23:17:30,499 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-10-24 23:17:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:17:30,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283536814] [2020-10-24 23:17:30,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:17:30,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 12 [2020-10-24 23:17:30,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548274337] [2020-10-24 23:17:30,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 23:17:30,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:17:30,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 23:17:30,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=100, Unknown=13, NotChecked=0, Total=156 [2020-10-24 23:17:30,505 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 13 states. [2020-10-24 23:17:34,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:17:34,740 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2020-10-24 23:17:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:17:34,745 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 17 [2020-10-24 23:17:34,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:17:34,746 INFO L225 Difference]: With dead ends: 35 [2020-10-24 23:17:34,746 INFO L226 Difference]: Without dead ends: 22 [2020-10-24 23:17:34,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 53.9s TimeCoverageRelationStatistics Valid=55, Invalid=114, Unknown=13, NotChecked=0, Total=182 [2020-10-24 23:17:34,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-24 23:17:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-24 23:17:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-24 23:17:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2020-10-24 23:17:34,756 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2020-10-24 23:17:34,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:17:34,757 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2020-10-24 23:17:34,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 23:17:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-10-24 23:17:34,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-24 23:17:34,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:17:34,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:17:34,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-24 23:17:34,970 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:17:34,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:17:34,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1561479138, now seen corresponding path program 1 times [2020-10-24 23:17:34,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:17:34,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919033462] [2020-10-24 23:17:34,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-24 23:17:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:17:35,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-24 23:17:35,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:17:35,317 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:17:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:17:35,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:17:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:17:35,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919033462] [2020-10-24 23:17:35,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:17:35,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2020-10-24 23:17:35,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62593471] [2020-10-24 23:17:35,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 23:17:35,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:17:35,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 23:17:35,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-24 23:17:35,628 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 14 states. [2020-10-24 23:17:35,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:17:35,909 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-10-24 23:17:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 23:17:35,910 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-10-24 23:17:35,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:17:35,910 INFO L225 Difference]: With dead ends: 22 [2020-10-24 23:17:35,910 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:17:35,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-10-24 23:17:35,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:17:35,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:17:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:17:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:17:35,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-10-24 23:17:35,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:17:35,912 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:17:35,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 23:17:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:17:35,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:17:36,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-24 23:17:36,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:17:36,393 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-10-24 23:17:36,520 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-10-24 23:17:36,638 INFO L274 CegarLoopResult]: For program point L60(lines 60 72) no Hoare annotation was computed. [2020-10-24 23:17:36,639 INFO L274 CegarLoopResult]: For program point L60-1(lines 47 126) no Hoare annotation was computed. [2020-10-24 23:17:36,639 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-24 23:17:36,639 INFO L274 CegarLoopResult]: For program point L151-2(lines 151 154) no Hoare annotation was computed. [2020-10-24 23:17:36,639 INFO L274 CegarLoopResult]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2020-10-24 23:17:36,639 INFO L270 CegarLoopResult]: At program point L52-2(lines 52 57) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2020-10-24 23:17:36,639 INFO L274 CegarLoopResult]: For program point L52-3(lines 52 57) no Hoare annotation was computed. [2020-10-24 23:17:36,640 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:17:36,640 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:17:36,640 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:17:36,640 INFO L274 CegarLoopResult]: For program point L61(lines 61 62) no Hoare annotation was computed. [2020-10-24 23:17:36,640 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:17:36,640 INFO L274 CegarLoopResult]: For program point L86(lines 86 102) no Hoare annotation was computed. [2020-10-24 23:17:36,640 INFO L274 CegarLoopResult]: For program point L78-1(lines 78 83) no Hoare annotation was computed. [2020-10-24 23:17:36,641 INFO L270 CegarLoopResult]: At program point L78-2(lines 78 83) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse0 ((_ extract 63 32) v_skolemized_v_prenex_2_4))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))) (= (bvashr .cse0 (_ bv20 32)) (bvadd ULTIMATE.start___ieee754_log_~k~0 (_ bv1023 32))) (= ULTIMATE.start___ieee754_log_~i~0 (bvand (_ bv1048576 32) (bvadd (bvand (_ bv1048575 32) .cse0) (_ bv614244 32))))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((v_skolemized_v_prenex_2_5 (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~hx~1 (bvand (_ bv1048575 32) ((_ extract 63 32) v_skolemized_v_prenex_2_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_5) ((_ extract 62 52) v_skolemized_v_prenex_2_5) ((_ extract 51 0) v_skolemized_v_prenex_2_5)) ULTIMATE.start___ieee754_log_~x))) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2020-10-24 23:17:36,641 INFO L274 CegarLoopResult]: For program point L78-3(lines 78 83) no Hoare annotation was computed. [2020-10-24 23:17:36,641 INFO L274 CegarLoopResult]: For program point L87(lines 87 94) no Hoare annotation was computed. [2020-10-24 23:17:36,642 INFO L270 CegarLoopResult]: At program point L137(lines 128 138) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|)) (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) ULTIMATE.start___ieee754_log_~f~0) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_log_~i~0 (bvand (_ bv1048576 32) (bvadd ULTIMATE.start___ieee754_log_~hx~1 (_ bv614244 32)))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short23| (= (_ +zero 11 53) |ULTIMATE.start___ieee754_log_#res|) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0)) (exists ((v_skolemized_v_prenex_2_5 (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~hx~1 (bvand (_ bv1048575 32) ((_ extract 63 32) v_skolemized_v_prenex_2_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_5) ((_ extract 62 52) v_skolemized_v_prenex_2_5) ((_ extract 51 0) v_skolemized_v_prenex_2_5)) ULTIMATE.start___ieee754_log_~x)))) [2020-10-24 23:17:36,642 INFO L274 CegarLoopResult]: For program point L96(lines 96 101) no Hoare annotation was computed. [2020-10-24 23:17:36,642 INFO L274 CegarLoopResult]: For program point L63(lines 63 64) no Hoare annotation was computed. [2020-10-24 23:17:36,643 INFO L274 CegarLoopResult]: For program point L121(lines 121 124) no Hoare annotation was computed. [2020-10-24 23:17:36,644 INFO L274 CegarLoopResult]: For program point L88(lines 88 93) no Hoare annotation was computed. [2020-10-24 23:17:36,644 INFO L274 CegarLoopResult]: For program point L113(lines 113 125) no Hoare annotation was computed. [2020-10-24 23:17:36,644 INFO L274 CegarLoopResult]: For program point L131-1(lines 131 135) no Hoare annotation was computed. [2020-10-24 23:17:36,644 INFO L270 CegarLoopResult]: At program point L131-2(lines 131 135) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) ULTIMATE.start___ieee754_log_~f~0) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_log_~i~0 (bvand (_ bv1048576 32) (bvadd ULTIMATE.start___ieee754_log_~hx~1 (_ bv614244 32)))) |ULTIMATE.start_main_#t~short23| (= (_ +zero 11 53) |ULTIMATE.start___ieee754_log_#res|) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_5 (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~hx~1 (bvand (_ bv1048575 32) ((_ extract 63 32) v_skolemized_v_prenex_2_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_5) ((_ extract 62 52) v_skolemized_v_prenex_2_5) ((_ extract 51 0) v_skolemized_v_prenex_2_5)) ULTIMATE.start___ieee754_log_~x))) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2020-10-24 23:17:36,645 INFO L274 CegarLoopResult]: For program point L131-3(lines 131 135) no Hoare annotation was computed. [2020-10-24 23:17:36,645 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:17:36,645 INFO L277 CegarLoopResult]: At program point L156(lines 140 157) the Hoare annotation is: true [2020-10-24 23:17:36,645 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:17:36,646 INFO L274 CegarLoopResult]: For program point L115(lines 115 119) no Hoare annotation was computed. [2020-10-24 23:17:36,646 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:17:36,646 INFO L270 CegarLoopResult]: At program point L124(lines 47 126) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse0 ((_ extract 63 32) v_skolemized_v_prenex_2_4))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))) (= (bvashr .cse0 (_ bv20 32)) (bvadd ULTIMATE.start___ieee754_log_~k~0 (_ bv1023 32))) (= ULTIMATE.start___ieee754_log_~i~0 (bvand (_ bv1048576 32) (bvadd (bvand (_ bv1048575 32) .cse0) (_ bv614244 32))))))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (fp.sub roundNearestTiesToEven .cse1 .cse1)) ULTIMATE.start___ieee754_log_~f~0) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_log_#res|) (exists ((v_skolemized_v_prenex_2_5 (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~hx~1 (bvand (_ bv1048575 32) ((_ extract 63 32) v_skolemized_v_prenex_2_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_5) ((_ extract 62 52) v_skolemized_v_prenex_2_5) ((_ extract 51 0) v_skolemized_v_prenex_2_5)) ULTIMATE.start___ieee754_log_~x))) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2020-10-24 23:17:36,646 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-10-24 23:17:36,646 INFO L270 CegarLoopResult]: At program point L67-2(lines 67 71) the Hoare annotation is: false [2020-10-24 23:17:36,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:17:36,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:17:36,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,687 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,688 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:17:36,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,705 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:17:36,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,711 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:17:36 BoogieIcfgContainer [2020-10-24 23:17:36,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:17:36,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:17:36,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:17:36,737 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:17:36,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:35" (3/4) ... [2020-10-24 23:17:36,741 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 23:17:36,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-10-24 23:17:36,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-24 23:17:36,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:17:36,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:17:36,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_4 : bv64, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]) && ~bvashr32(v_skolemized_v_prenex_2_4[63:32], 20bv32) == ~bvadd64(k, 1023bv32)) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_skolemized_v_prenex_2_4[63:32]), 614244bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) [2020-10-24 23:17:36,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_4 : bv64, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]) && ~bvashr32(v_skolemized_v_prenex_2_4[63:32], 20bv32) == ~bvadd64(k, 1023bv32)) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_skolemized_v_prenex_2_4[63:32]), 614244bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) [2020-10-24 23:17:36,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((zero == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == res) && i == ~bvand32(1048576bv32, ~bvadd64(hx, 614244bv32))) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) [2020-10-24 23:17:36,787 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: msw == v_skolemized_q#valueAsBitvector_10[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]) == ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == res) && i == ~bvand32(1048576bv32, ~bvadd64(hx, 614244bv32))) && \result == 0bv32) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x) [2020-10-24 23:17:36,830 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:17:36,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:17:36,832 INFO L168 Benchmark]: Toolchain (without parser) took 146700.52 ms. Allocated memory is still 48.2 MB. Free memory was 32.3 MB in the beginning and 20.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:17:36,832 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 37.7 MB. Free memory was 17.4 MB in the beginning and 17.4 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:17:36,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.54 ms. Allocated memory is still 48.2 MB. Free memory was 31.7 MB in the beginning and 29.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:17:36,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.87 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 27.9 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:17:36,834 INFO L168 Benchmark]: Boogie Preprocessor took 71.14 ms. Allocated memory is still 48.2 MB. Free memory was 27.9 MB in the beginning and 25.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:17:36,834 INFO L168 Benchmark]: RCFGBuilder took 24387.14 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 23.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:17:36,835 INFO L168 Benchmark]: TraceAbstraction took 121610.45 ms. Allocated memory is still 48.2 MB. Free memory was 23.1 MB in the beginning and 26.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:17:36,835 INFO L168 Benchmark]: Witness Printer took 93.44 ms. Allocated memory is still 48.2 MB. Free memory was 26.1 MB in the beginning and 20.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:17:36,838 INFO L339 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 37.7 MB. Free memory was 17.4 MB in the beginning and 17.4 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 460.54 ms. Allocated memory is still 48.2 MB. Free memory was 31.7 MB in the beginning and 29.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.87 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 27.9 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.14 ms. Allocated memory is still 48.2 MB. Free memory was 27.9 MB in the beginning and 25.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24387.14 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 23.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 121610.45 ms. Allocated memory is still 48.2 MB. Free memory was 23.1 MB in the beginning and 26.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Witness Printer took 93.44 ms. Allocated memory is still 48.2 MB. Free memory was 26.1 MB in the beginning and 20.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,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 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[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,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 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[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,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 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[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,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[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,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 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[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,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 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[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,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 - 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: 3]: 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: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant [2020-10-24 23:17:36,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,865 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,865 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,866 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,866 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((zero == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == res) && i == ~bvand32(1048576bv32, ~bvadd64(hx, 614244bv32))) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 47]: Loop Invariant [2020-10-24 23:17:36,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:17:36,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,871 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:17:36,872 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_4 : bv64, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]) && ~bvashr32(v_skolemized_v_prenex_2_4[63:32], 20bv32) == ~bvadd64(k, 1023bv32)) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_skolemized_v_prenex_2_4[63:32]), 614244bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant [2020-10-24 23:17:36,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:17:36,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,878 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,878 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,878 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,878 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,879 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,880 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 23:17:36,880 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,880 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,880 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-24 23:17:36,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_4 : bv64, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]) && ~bvashr32(v_skolemized_v_prenex_2_4[63:32], 20bv32) == ~bvadd64(k, 1023bv32)) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_skolemized_v_prenex_2_4[63:32]), 614244bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 52]: Loop Invariant [2020-10-24 23:17:36,885 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,885 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (zero == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 128]: Loop Invariant [2020-10-24 23:17:36,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-10-24 23:17:36,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:17:36,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-10-24 23:17:36,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:17:36,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: msw == v_skolemized_q#valueAsBitvector_10[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]) == ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == res) && i == ~bvand32(1048576bv32, ~bvadd64(hx, 614244bv32))) && \result == 0bv32) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 120.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 58.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 150 SDtfs, 227 SDslu, 359 SDs, 0 SdLazy, 149 SolverSat, 34 SolverUnsat, 19 SolverUnknown, 0 SolverNotchecked, 53.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 55.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 6 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 277 HoareAnnotationTreeSize, 7 FomulaSimplifications, 162 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 56.8s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 46 QuantifiedInterpolants, 28410 SizeOfPredicates, 38 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...