./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1072b.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 777c7562805902004290a0dc1b0fc10a1576c196 .............................................................................................................................................................................................................................................................................................. 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_1072b.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 777c7562805902004290a0dc1b0fc10a1576c196 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 21:53:16,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:53:16,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:53:16,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:53:16,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:53:16,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:53:16,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:53:16,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:53:16,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:53:16,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:53:16,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:53:16,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:53:16,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:53:16,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:53:16,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:53:16,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:53:16,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:53:16,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:53:16,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:53:16,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:53:16,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:53:16,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:53:16,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:53:16,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:53:16,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:53:16,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:53:16,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:53:16,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:53:16,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:53:16,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:53:16,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:53:16,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:53:16,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:53:16,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:53:16,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:53:16,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:53:16,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:53:16,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:53:16,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:53:16,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:53:16,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:53:16,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:53:16,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:53:16,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:53:16,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:53:16,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:53:16,285 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:53:16,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:53:16,286 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:53:16,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:53:16,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:53:16,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:53:16,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:53:16,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:53:16,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:53:16,288 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:53:16,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:53:16,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:53:16,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:53:16,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:53:16,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:53:16,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:53:16,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:53:16,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:53:16,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:53:16,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:53:16,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:53:16,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:53:16,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:53:16,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:53:16,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:53:16,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 777c7562805902004290a0dc1b0fc10a1576c196 [2020-10-25 21:53:16,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:53:16,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:53:16,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:53:16,731 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:53:16,735 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:53:16,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-10-25 21:53:16,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a818f8b36/20be529fa0da40ea900c16bea416d4d9/FLAG4915b5750 [2020-10-25 21:53:17,458 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:53:17,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-10-25 21:53:17,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a818f8b36/20be529fa0da40ea900c16bea416d4d9/FLAG4915b5750 [2020-10-25 21:53:17,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a818f8b36/20be529fa0da40ea900c16bea416d4d9 [2020-10-25 21:53:17,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:53:17,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:53:17,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:53:17,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:53:17,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:53:17,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:53:17" (1/1) ... [2020-10-25 21:53:17,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdbd0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:17, skipping insertion in model container [2020-10-25 21:53:17,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:53:17" (1/1) ... [2020-10-25 21:53:17,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:53:17,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:53:18,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:53:18,101 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:53:18,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:53:18,157 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:53:18,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18 WrapperNode [2020-10-25 21:53:18,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:53:18,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:53:18,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:53:18,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:53:18,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... [2020-10-25 21:53:18,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... [2020-10-25 21:53:18,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:53:18,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:53:18,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:53:18,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:53:18,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... [2020-10-25 21:53:18,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... [2020-10-25 21:53:18,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... [2020-10-25 21:53:18,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... [2020-10-25 21:53:18,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... [2020-10-25 21:53:18,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... [2020-10-25 21:53:18,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... [2020-10-25 21:53:18,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:53:18,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:53:18,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:53:18,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:53:18,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:53:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:53:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:53:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:53:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:53:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:53:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:53:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:53:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:53:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:53:18,862 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:53:18,862 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-25 21:53:18,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:18 BoogieIcfgContainer [2020-10-25 21:53:18,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:53:18,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:53:18,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:53:18,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:53:18,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:53:17" (1/3) ... [2020-10-25 21:53:18,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b690919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:53:18, skipping insertion in model container [2020-10-25 21:53:18,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:18" (2/3) ... [2020-10-25 21:53:18,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b690919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:53:18, skipping insertion in model container [2020-10-25 21:53:18,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:18" (3/3) ... [2020-10-25 21:53:18,877 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b.c [2020-10-25 21:53:18,891 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:53:18,906 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:53:18,925 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:53:18,987 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:53:18,987 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:53:18,988 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:53:18,988 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:53:18,988 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:53:18,988 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:53:18,989 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:53:18,989 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:53:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-25 21:53:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:53:19,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:19,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:19,020 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:19,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:19,030 INFO L82 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2020-10-25 21:53:19,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:53:19,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447223006] [2020-10-25 21:53:19,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:53:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:19,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447223006] [2020-10-25 21:53:19,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:19,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:53:19,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007525079] [2020-10-25 21:53:19,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:53:19,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:53:19,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:53:19,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:53:19,298 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-10-25 21:53:19,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:19,329 INFO L93 Difference]: Finished difference Result 55 states and 85 transitions. [2020-10-25 21:53:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:53:19,331 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:53:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:19,356 INFO L225 Difference]: With dead ends: 55 [2020-10-25 21:53:19,357 INFO L226 Difference]: Without dead ends: 25 [2020-10-25 21:53:19,363 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 [2020-10-25 21:53:19,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-25 21:53:19,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-25 21:53:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-25 21:53:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-10-25 21:53:19,416 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2020-10-25 21:53:19,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:19,417 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-10-25 21:53:19,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:53:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-10-25 21:53:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 21:53:19,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:19,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:19,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:53:19,420 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:19,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:19,423 INFO L82 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2020-10-25 21:53:19,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:53:19,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121168732] [2020-10-25 21:53:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:53:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:53:19,518 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:53:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:53:19,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:53:19,592 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:53:19,593 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:53:19,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:53:19,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:53:19 BoogieIcfgContainer [2020-10-25 21:53:19,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:53:19,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:53:19,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:53:19,646 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:53:19,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:18" (3/4) ... [2020-10-25 21:53:19,651 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:53:19,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:53:19,657 INFO L168 Benchmark]: Toolchain (without parser) took 1846.02 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.2 MB in the beginning and 25.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:19,658 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 41.9 MB. Free memory was 25.1 MB in the beginning and 25.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:53:19,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.24 ms. Allocated memory is still 41.9 MB. Free memory was 18.6 MB in the beginning and 17.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:19,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.63 ms. Allocated memory is still 50.3 MB. Free memory was 35.4 MB in the beginning and 33.6 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:53:19,662 INFO L168 Benchmark]: Boogie Preprocessor took 41.67 ms. Allocated memory is still 50.3 MB. Free memory was 33.6 MB in the beginning and 32.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:19,664 INFO L168 Benchmark]: RCFGBuilder took 599.09 ms. Allocated memory is still 50.3 MB. Free memory was 32.0 MB in the beginning and 22.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:19,665 INFO L168 Benchmark]: TraceAbstraction took 776.73 ms. Allocated memory is still 50.3 MB. Free memory was 22.3 MB in the beginning and 25.5 MB in the end (delta: -3.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:53:19,667 INFO L168 Benchmark]: Witness Printer took 6.27 ms. Allocated memory is still 50.3 MB. Free memory was 25.5 MB in the beginning and 25.0 MB in the end (delta: 426.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:53:19,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 41.9 MB. Free memory was 25.1 MB in the beginning and 25.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 342.24 ms. Allocated memory is still 41.9 MB. Free memory was 18.6 MB in the beginning and 17.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.63 ms. Allocated memory is still 50.3 MB. Free memory was 35.4 MB in the beginning and 33.6 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.67 ms. Allocated memory is still 50.3 MB. Free memory was 33.6 MB in the beginning and 32.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 599.09 ms. Allocated memory is still 50.3 MB. Free memory was 32.0 MB in the beginning and 22.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 776.73 ms. Allocated memory is still 50.3 MB. Free memory was 22.3 MB in the beginning and 25.5 MB in the end (delta: -3.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.27 ms. Allocated memory is still 50.3 MB. Free memory was 25.5 MB in the beginning and 25.0 MB in the end (delta: 426.8 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 87, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L83] double x = 0.0; [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L32] COND FALSE !(exponent_less_1023 < 20) [L49] COND TRUE exponent_less_1023 > 51 [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; [L84] double res = trunc_double(x); [L87] EXPR res == 0.0 && __signbit_double(res) == 0 [L87] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1072b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 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=29occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.2.0-5485861 [2020-10-25 21:53:22,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:53:22,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:53:22,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:53:22,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:53:22,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:53:22,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:53:22,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:53:22,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:53:22,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:53:22,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:53:22,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:53:22,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:53:22,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:53:22,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:53:22,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:53:22,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:53:22,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:53:22,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:53:22,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:53:22,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:53:22,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:53:22,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:53:22,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:53:22,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:53:22,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:53:22,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:53:22,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:53:22,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:53:22,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:53:22,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:53:22,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:53:22,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:53:22,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:53:22,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:53:22,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:53:22,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:53:22,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:53:22,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:53:22,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:53:22,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:53:22,717 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:53:22,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:53:22,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:53:22,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:53:22,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:53:22,781 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:53:22,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:53:22,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:53:22,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:53:22,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:53:22,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:53:22,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:53:22,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:53:22,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:53:22,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:53:22,785 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:53:22,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:53:22,786 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:53:22,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:53:22,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:53:22,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:53:22,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:53:22,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:53:22,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:53:22,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:53:22,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:53:22,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:53:22,789 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:53:22,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:53:22,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:53:22,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:53:22,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:53:22,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 777c7562805902004290a0dc1b0fc10a1576c196 [2020-10-25 21:53:23,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:53:23,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:53:23,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:53:23,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:53:23,226 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:53:23,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-10-25 21:53:23,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f6d9847/cb8702c04e4d46cfbaa8d09e9b111601/FLAGadd5d4cb3 [2020-10-25 21:53:23,968 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:53:23,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-10-25 21:53:23,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f6d9847/cb8702c04e4d46cfbaa8d09e9b111601/FLAGadd5d4cb3 [2020-10-25 21:53:24,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f6d9847/cb8702c04e4d46cfbaa8d09e9b111601 [2020-10-25 21:53:24,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:53:24,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:53:24,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:53:24,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:53:24,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:53:24,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:24,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6d1c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24, skipping insertion in model container [2020-10-25 21:53:24,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:24,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:53:24,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:53:24,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:53:24,733 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:53:24,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:53:24,845 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:53:24,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24 WrapperNode [2020-10-25 21:53:24,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:53:24,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:53:24,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:53:24,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:53:24,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:24,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:24,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:53:24,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:53:24,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:53:24,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:53:24,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:24,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:24,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:24,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:25,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:25,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:25,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... [2020-10-25 21:53:25,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:53:25,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:53:25,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:53:25,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:53:25,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:53:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:53:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:53:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:53:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:53:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:53:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:53:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:53:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:53:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:53:25,773 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:53:25,774 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-25 21:53:25,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:25 BoogieIcfgContainer [2020-10-25 21:53:25,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:53:25,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:53:25,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:53:25,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:53:25,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:53:24" (1/3) ... [2020-10-25 21:53:25,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5037fd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:53:25, skipping insertion in model container [2020-10-25 21:53:25,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:53:24" (2/3) ... [2020-10-25 21:53:25,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5037fd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:53:25, skipping insertion in model container [2020-10-25 21:53:25,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:25" (3/3) ... [2020-10-25 21:53:25,789 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b.c [2020-10-25 21:53:25,803 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:53:25,809 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:53:25,823 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:53:25,874 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:53:25,875 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:53:25,875 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:53:25,875 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:53:25,875 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:53:25,876 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:53:25,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:53:25,876 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:53:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-25 21:53:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:53:25,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:25,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:25,905 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:25,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:25,914 INFO L82 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2020-10-25 21:53:25,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:25,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047252880] [2020-10-25 21:53:25,931 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 [2020-10-25 21:53:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:26,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:53:26,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:26,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:26,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047252880] [2020-10-25 21:53:26,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:26,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:53:26,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719223162] [2020-10-25 21:53:26,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:53:26,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:26,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:53:26,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:53:26,268 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-10-25 21:53:26,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:26,290 INFO L93 Difference]: Finished difference Result 55 states and 85 transitions. [2020-10-25 21:53:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:53:26,292 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:53:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:26,303 INFO L225 Difference]: With dead ends: 55 [2020-10-25 21:53:26,304 INFO L226 Difference]: Without dead ends: 25 [2020-10-25 21:53:26,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:53:26,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-25 21:53:26,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-25 21:53:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-25 21:53:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-10-25 21:53:26,346 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2020-10-25 21:53:26,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:26,346 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-10-25 21:53:26,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:53:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-10-25 21:53:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 21:53:26,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:26,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:26,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:53:26,563 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:26,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:26,565 INFO L82 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2020-10-25 21:53:26,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:26,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987402516] [2020-10-25 21:53:26,567 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 [2020-10-25 21:53:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:26,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-25 21:53:26,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:26,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:27,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:27,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987402516] [2020-10-25 21:53:27,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:27,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-25 21:53:27,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396658866] [2020-10-25 21:53:27,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 21:53:27,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:27,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 21:53:27,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-25 21:53:27,044 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 8 states. [2020-10-25 21:53:27,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:27,231 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2020-10-25 21:53:27,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 21:53:27,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-25 21:53:27,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:27,233 INFO L225 Difference]: With dead ends: 35 [2020-10-25 21:53:27,233 INFO L226 Difference]: Without dead ends: 19 [2020-10-25 21:53:27,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-25 21:53:27,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-25 21:53:27,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-25 21:53:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-25 21:53:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-10-25 21:53:27,241 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 12 [2020-10-25 21:53:27,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:27,241 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-10-25 21:53:27,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 21:53:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-10-25 21:53:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 21:53:27,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:27,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:27,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:53:27,463 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:27,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:27,464 INFO L82 PathProgramCache]: Analyzing trace with hash -660443026, now seen corresponding path program 1 times [2020-10-25 21:53:27,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:27,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484678656] [2020-10-25 21:53:27,465 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 [2020-10-25 21:53:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:27,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-25 21:53:27,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:27,702 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 51 treesize of output 45 [2020-10-25 21:53:27,708 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-25 21:53:27,713 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:27,714 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:27,717 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:27,718 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. [2020-10-25 21:53:27,718 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2020-10-25 21:53:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:27,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:27,838 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 45 treesize of output 39 [2020-10-25 21:53:27,841 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-25 21:53:27,845 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:27,846 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:27,850 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:27,850 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:27,850 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-10-25 21:53:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:27,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484678656] [2020-10-25 21:53:27,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:27,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-25 21:53:27,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4067787] [2020-10-25 21:53:27,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-25 21:53:27,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:27,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-25 21:53:27,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-25 21:53:27,879 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-10-25 21:53:28,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:28,193 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-10-25 21:53:28,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 21:53:28,194 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-25 21:53:28,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:28,195 INFO L225 Difference]: With dead ends: 22 [2020-10-25 21:53:28,195 INFO L226 Difference]: Without dead ends: 19 [2020-10-25 21:53:28,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-25 21:53:28,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-25 21:53:28,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-25 21:53:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-25 21:53:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-10-25 21:53:28,203 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-10-25 21:53:28,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:28,204 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-10-25 21:53:28,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-25 21:53:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-10-25 21:53:28,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 21:53:28,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:53:28,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:53:28,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-25 21:53:28,420 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:53:28,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:53:28,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1192312195, now seen corresponding path program 1 times [2020-10-25 21:53:28,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:53:28,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468946996] [2020-10-25 21:53:28,423 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 [2020-10-25 21:53:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:53:28,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2020-10-25 21:53:28,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:53:28,645 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 54 treesize of output 48 [2020-10-25 21:53:28,663 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-25 21:53:28,667 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:28,667 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:28,676 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:28,677 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. [2020-10-25 21:53:28,677 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2020-10-25 21:53:28,809 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 21:53:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:28,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:53:29,175 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 52 treesize of output 46 [2020-10-25 21:53:29,180 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-25 21:53:29,184 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:29,185 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-25 21:53:29,195 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-25 21:53:29,196 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. [2020-10-25 21:53:29,197 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:29 [2020-10-25 21:53:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:53:29,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468946996] [2020-10-25 21:53:29,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:53:29,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-10-25 21:53:29,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707706390] [2020-10-25 21:53:29,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-25 21:53:29,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:53:29,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-25 21:53:29,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-25 21:53:29,437 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 18 states. [2020-10-25 21:53:30,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:53:30,039 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-25 21:53:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-25 21:53:30,041 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2020-10-25 21:53:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:53:30,042 INFO L225 Difference]: With dead ends: 19 [2020-10-25 21:53:30,042 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 21:53:30,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-25 21:53:30,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 21:53:30,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 21:53:30,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 21:53:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 21:53:30,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-25 21:53:30,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:53:30,044 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 21:53:30,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-25 21:53:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 21:53:30,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 21:53:30,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-25 21:53:30,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 21:53:30,521 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2020-10-25 21:53:30,770 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-10-25 21:53:30,776 INFO L270 CegarLoopResult]: At program point L73(lines 64 74) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)))) (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_trunc_double_~exponent_less_1023~0))) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_3_3) ((_ extract 62 52) v_skolemized_v_prenex_3_3) ((_ extract 51 0) v_skolemized_v_prenex_3_3))) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) v_skolemized_v_prenex_3_3)))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_2_4)) ULTIMATE.start_trunc_double_~signbit~0) (= (_ +zero 11 53) (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))))) (= (_ +zero 11 53) |ULTIMATE.start_trunc_double_#res|) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53))) [2020-10-25 21:53:30,776 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 21:53:30,776 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 21:53:30,776 INFO L274 CegarLoopResult]: For program point L32(lines 32 60) no Hoare annotation was computed. [2020-10-25 21:53:30,777 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 21:53:30,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 21:53:30,777 INFO L270 CegarLoopResult]: At program point L61(lines 19 62) the Hoare annotation is: (and (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_trunc_double_~exponent_less_1023~0))) (= (_ +zero 11 53) |ULTIMATE.start_trunc_double_#res|) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_4)) (= (_ +zero 11 53) (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))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_2_4)) ULTIMATE.start_trunc_double_~signbit~0) (= (_ +zero 11 53) (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)))))) [2020-10-25 21:53:30,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 21:53:30,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 21:53:30,777 INFO L274 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2020-10-25 21:53:30,778 INFO L270 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) [2020-10-25 21:53:30,778 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2020-10-25 21:53:30,778 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-10-25 21:53:30,778 INFO L274 CegarLoopResult]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2020-10-25 21:53:30,778 INFO L270 CegarLoopResult]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2020-10-25 21:53:30,778 INFO L274 CegarLoopResult]: For program point L33(lines 33 48) no Hoare annotation was computed. [2020-10-25 21:53:30,778 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 21:53:30,778 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 21:53:30,778 INFO L274 CegarLoopResult]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2020-10-25 21:53:30,779 INFO L274 CegarLoopResult]: For program point L87-2(lines 87 90) no Hoare annotation was computed. [2020-10-25 21:53:30,779 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2020-10-25 21:53:30,779 INFO L274 CegarLoopResult]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2020-10-25 21:53:30,780 INFO L274 CegarLoopResult]: For program point L50(lines 50 52) no Hoare annotation was computed. [2020-10-25 21:53:30,780 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-10-25 21:53:30,780 INFO L274 CegarLoopResult]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2020-10-25 21:53:30,781 INFO L270 CegarLoopResult]: At program point L67-2(lines 67 71) the Hoare annotation is: (and (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_trunc_double_~exponent_less_1023~0))) |ULTIMATE.start_main_#t~short21| (= (_ +zero 11 53) |ULTIMATE.start_trunc_double_#res|) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_4)) (= (_ +zero 11 53) (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))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_2_4)) ULTIMATE.start_trunc_double_~signbit~0) (= (_ +zero 11 53) (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))))) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53))) [2020-10-25 21:53:30,781 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 39) the Hoare annotation is: (and (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (_ +zero 11 53)) (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_trunc_double_~exponent_less_1023~0))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_4)) (= (_ +zero 11 53) (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))))) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64))) (and (= (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_2_4)) ULTIMATE.start_trunc_double_~signbit~0) (= (_ +zero 11 53) (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)))))) [2020-10-25 21:53:30,781 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2020-10-25 21:53:30,781 INFO L277 CegarLoopResult]: At program point L92(lines 76 93) the Hoare annotation is: true [2020-10-25 21:53:30,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:30,827 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:30,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:30,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:30,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:30,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:30,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:30,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:30,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:53:30 BoogieIcfgContainer [2020-10-25 21:53:30,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:53:30,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:53:30,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:53:30,839 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:53:30,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:53:25" (3/4) ... [2020-10-25 21:53:30,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 21:53:30,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-10-25 21:53:30,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-25 21:53:30,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 21:53:30,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 21:53:30,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~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]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~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])) [2020-10-25 21:53:30,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~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]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~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])) [2020-10-25 21:53:30,901 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~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]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~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]))) && x == ~Pluszero~LONGDOUBLE() [2020-10-25 21:53:30,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && msw == v_skolemized_v_prenex_2_3[63:32]) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && \result == 0bv32) && (\exists v_skolemized_v_prenex_3_3 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_3[63:63], v_skolemized_v_prenex_3_3[62:52], v_skolemized_v_prenex_3_3[51:0]) && msw == v_skolemized_v_prenex_3_3[63:32])) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~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]))) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE() [2020-10-25 21:53:30,941 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:53:30,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:53:30,943 INFO L168 Benchmark]: Toolchain (without parser) took 6565.53 ms. Allocated memory was 39.8 MB in the beginning and 73.4 MB in the end (delta: 33.6 MB). Free memory was 16.7 MB in the beginning and 47.1 MB in the end (delta: -30.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:30,944 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 39.8 MB. Free memory was 24.5 MB in the beginning and 24.4 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:53:30,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.95 ms. Allocated memory is still 39.8 MB. Free memory was 16.1 MB in the beginning and 15.9 MB in the end (delta: 236.9 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:30,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.82 ms. Allocated memory is still 39.8 MB. Free memory was 15.9 MB in the beginning and 14.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:30,946 INFO L168 Benchmark]: Boogie Preprocessor took 102.40 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 14.0 MB in the beginning and 34.1 MB in the end (delta: -20.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:30,946 INFO L168 Benchmark]: RCFGBuilder took 717.17 ms. Allocated memory is still 50.3 MB. Free memory was 34.1 MB in the beginning and 27.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:30,947 INFO L168 Benchmark]: TraceAbstraction took 5058.87 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 26.9 MB in the beginning and 50.7 MB in the end (delta: -23.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:30,948 INFO L168 Benchmark]: Witness Printer took 104.34 ms. Allocated memory is still 73.4 MB. Free memory was 50.7 MB in the beginning and 47.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:53:30,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 39.8 MB. Free memory was 24.5 MB in the beginning and 24.4 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 460.95 ms. Allocated memory is still 39.8 MB. Free memory was 16.1 MB in the beginning and 15.9 MB in the end (delta: 236.9 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.82 ms. Allocated memory is still 39.8 MB. Free memory was 15.9 MB in the beginning and 14.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.40 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 14.0 MB in the beginning and 34.1 MB in the end (delta: -20.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 717.17 ms. Allocated memory is still 50.3 MB. Free memory was 34.1 MB in the beginning and 27.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5058.87 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 26.9 MB in the beginning and 50.7 MB in the end (delta: -23.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Witness Printer took 104.34 ms. Allocated memory is still 73.4 MB. Free memory was 50.7 MB in the beginning and 47.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,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 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_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,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 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_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,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 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_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,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 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_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,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 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_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,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 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_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,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_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,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] * 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: 34]: Loop Invariant [2020-10-25 21:53:30,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] Derived loop invariant: ((x == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~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]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~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])) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 67]: Loop Invariant [2020-10-25 21:53:30,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] Derived loop invariant: ((((((x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~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]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~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]))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2020-10-25 21:53:30,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:30,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:30,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] Derived loop invariant: (((x == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: msw == v_skolemized_v_prenex_2_4[63:32] && ~Pluszero~LONGDOUBLE() == ~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]))) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~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])) - InvariantResult [Line: 64]: Loop Invariant [2020-10-25 21:53:31,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:31,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:31,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:31,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:31,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:31,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:31,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:31,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:31,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-25 21:53:31,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:31,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:31,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:31,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-25 21:53:31,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:31,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:31,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-25 21:53:31,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] Derived loop invariant: (((((((((\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && msw == v_skolemized_v_prenex_2_3[63:32]) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists v_skolemized_v_prenex_2_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_3[63:63], v_skolemized_v_prenex_2_3[62:52], v_skolemized_v_prenex_2_3[51:0]) == ~Pluszero~LONGDOUBLE() && ~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_skolemized_v_prenex_2_3[63:32]), 20bv32), 4294966273bv32) == exponent_less_1023)) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && \result == 0bv32) && (\exists v_skolemized_v_prenex_3_3 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_3[63:63], v_skolemized_v_prenex_3_3[62:52], v_skolemized_v_prenex_3_3[51:0]) && msw == v_skolemized_v_prenex_3_3[63:32])) && (\exists v_skolemized_v_prenex_2_4 : bv64 :: ~bvand32(2147483648bv32, v_skolemized_v_prenex_2_4[63:32]) == signbit && ~Pluszero~LONGDOUBLE() == ~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]))) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 67 SDtfs, 162 SDslu, 76 SDs, 0 SdLazy, 76 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 275 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 242 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 28 QuantifiedInterpolants, 10554 SizeOfPredicates, 29 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...