./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 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/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 0.1.25-9a8b2e8 [2020-10-20 00:32:45,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:32:45,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:32:45,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:32:45,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:32:45,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:32:45,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:32:45,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:32:45,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:32:45,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:32:45,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:32:45,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:32:45,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:32:45,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:32:45,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:32:45,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:32:45,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:32:45,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:32:45,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:32:45,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:32:45,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:32:45,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:32:45,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:32:45,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:32:45,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:32:45,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:32:45,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:32:45,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:32:45,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:32:45,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:32:45,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:32:45,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:32:45,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:32:45,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:32:45,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:32:46,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:32:46,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:32:46,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:32:46,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:32:46,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:32:46,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:32:46,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:32:46,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:32:46,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:32:46,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:32:46,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:32:46,041 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:32:46,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:32:46,041 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:32:46,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:32:46,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:32:46,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:32:46,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:32:46,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:32:46,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:32:46,044 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:32:46,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:32:46,045 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:32:46,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:32:46,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:32:46,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:32:46,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:32:46,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:32:46,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:46,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:32:46,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:32:46,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:32:46,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:32:46,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:32:46,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:32:46,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:32:46,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(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 [2020-10-20 00:32:46,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:32:46,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:32:46,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:32:46,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:32:46,350 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:32:46,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-10-20 00:32:46,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/650174c2b/c4b084de81c649318dd0defee3e59400/FLAG6ff2fb0a4 [2020-10-20 00:32:46,917 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:32:46,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-10-20 00:32:46,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/650174c2b/c4b084de81c649318dd0defee3e59400/FLAG6ff2fb0a4 [2020-10-20 00:32:47,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/650174c2b/c4b084de81c649318dd0defee3e59400 [2020-10-20 00:32:47,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:32:47,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:32:47,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:47,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:32:47,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:32:47,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44bf95df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47, skipping insertion in model container [2020-10-20 00:32:47,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:32:47,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:32:47,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:47,575 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:32:47,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:47,636 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:32:47,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47 WrapperNode [2020-10-20 00:32:47,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:47,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:47,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:32:47,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:32:47,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:47,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:32:47,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:32:47,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:32:47,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (1/1) ... [2020-10-20 00:32:47,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:32:47,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:32:47,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:32:47,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:32:47,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (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 [2020-10-20 00:32:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:32:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:32:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:32:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:32:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:32:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:32:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:32:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:32:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:32:48,230 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:32:48,231 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-20 00:32:48,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:48 BoogieIcfgContainer [2020-10-20 00:32:48,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:32:48,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:32:48,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:32:48,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:32:48,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:32:47" (1/3) ... [2020-10-20 00:32:48,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4f59a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:48, skipping insertion in model container [2020-10-20 00:32:48,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:47" (2/3) ... [2020-10-20 00:32:48,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4f59a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:48, skipping insertion in model container [2020-10-20 00:32:48,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:48" (3/3) ... [2020-10-20 00:32:48,242 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b.c [2020-10-20 00:32:48,254 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:32:48,263 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:32:48,273 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:32:48,294 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:32:48,294 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:32:48,294 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:32:48,294 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:32:48,295 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:32:48,295 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:32:48,295 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:32:48,295 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:32:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-20 00:32:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:32:48,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:48,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:48,315 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:48,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:48,320 INFO L82 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2020-10-20 00:32:48,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:32:48,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691573179] [2020-10-20 00:32:48,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:32:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:48,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691573179] [2020-10-20 00:32:48,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:48,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:32:48,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831767595] [2020-10-20 00:32:48,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:32:48,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:32:48,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:32:48,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:48,492 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-10-20 00:32:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:48,512 INFO L93 Difference]: Finished difference Result 55 states and 85 transitions. [2020-10-20 00:32:48,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:32:48,513 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:32:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:48,523 INFO L225 Difference]: With dead ends: 55 [2020-10-20 00:32:48,523 INFO L226 Difference]: Without dead ends: 25 [2020-10-20 00:32:48,526 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 [2020-10-20 00:32:48,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-20 00:32:48,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-20 00:32:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-20 00:32:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-10-20 00:32:48,564 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2020-10-20 00:32:48,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:48,564 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-10-20 00:32:48,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:32:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-10-20 00:32:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:32:48,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:48,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:48,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:32:48,566 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:48,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:48,566 INFO L82 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2020-10-20 00:32:48,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:32:48,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100846140] [2020-10-20 00:32:48,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:32:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:48,658 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:48,733 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:48,784 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:32:48,786 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:32:48,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:32:48,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:32:48 BoogieIcfgContainer [2020-10-20 00:32:48,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:32:48,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:32:48,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:32:48,863 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:32:48,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:48" (3/4) ... [2020-10-20 00:32:48,868 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:32:48,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:32:48,877 INFO L168 Benchmark]: Toolchain (without parser) took 1667.22 ms. Allocated memory was 43.0 MB in the beginning and 48.2 MB in the end (delta: 5.2 MB). Free memory was 23.9 MB in the beginning and 28.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 463.3 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:48,878 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:48,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.86 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 23.0 MB in the beginning and 24.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:48,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.05 ms. Allocated memory is still 43.5 MB. Free memory was 24.2 MB in the beginning and 22.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:48,882 INFO L168 Benchmark]: Boogie Preprocessor took 36.68 ms. Allocated memory is still 43.5 MB. Free memory was 22.0 MB in the beginning and 20.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:48,883 INFO L168 Benchmark]: RCFGBuilder took 512.25 ms. Allocated memory was 43.5 MB in the beginning and 46.7 MB in the end (delta: 3.1 MB). Free memory was 20.2 MB in the beginning and 17.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:48,884 INFO L168 Benchmark]: TraceAbstraction took 627.20 ms. Allocated memory was 46.7 MB in the beginning and 48.2 MB in the end (delta: 1.6 MB). Free memory was 17.1 MB in the beginning and 29.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:48,885 INFO L168 Benchmark]: Witness Printer took 9.29 ms. Allocated memory is still 48.2 MB. Free memory was 29.1 MB in the beginning and 28.7 MB in the end (delta: 391.4 kB). Peak memory consumption was 391.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:48,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 424.86 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 23.0 MB in the beginning and 24.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 46.05 ms. Allocated memory is still 43.5 MB. Free memory was 24.2 MB in the beginning and 22.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 36.68 ms. Allocated memory is still 43.5 MB. Free memory was 22.0 MB in the beginning and 20.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 512.25 ms. Allocated memory was 43.5 MB in the beginning and 46.7 MB in the end (delta: 3.1 MB). Free memory was 20.2 MB in the beginning and 17.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 627.20 ms. Allocated memory was 46.7 MB in the beginning and 48.2 MB in the end (delta: 1.6 MB). Free memory was 17.1 MB in the beginning and 29.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. * Witness Printer took 9.29 ms. Allocated memory is still 48.2 MB. Free memory was 29.1 MB in the beginning and 28.7 MB in the end (delta: 391.4 kB). Peak memory consumption was 391.4 kB. Max. memory is 14.3 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: 0.4s, 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 0.1.25-9a8b2e8 [2020-10-20 00:32:51,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:32:51,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:32:51,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:32:51,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:32:51,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:32:51,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:32:51,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:32:51,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:32:51,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:32:51,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:32:51,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:32:51,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:32:51,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:32:51,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:32:51,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:32:51,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:32:51,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:32:51,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:32:51,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:32:51,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:32:51,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:32:51,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:32:51,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:32:51,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:32:51,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:32:51,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:32:51,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:32:51,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:32:51,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:32:51,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:32:51,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:32:51,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:32:51,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:32:51,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:32:51,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:32:51,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:32:51,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:32:51,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:32:51,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:32:51,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:32:51,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:32:51,327 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:32:51,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:32:51,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:32:51,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:32:51,330 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:32:51,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:32:51,331 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:32:51,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:32:51,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:32:51,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:32:51,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:32:51,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:32:51,333 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:32:51,334 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:32:51,334 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:32:51,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:32:51,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:32:51,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:32:51,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:32:51,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:32:51,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:32:51,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:32:51,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:51,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:32:51,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:32:51,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:32:51,338 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:32:51,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:32:51,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:32:51,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:32:51,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:32:51,339 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(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 [2020-10-20 00:32:51,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:32:51,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:32:51,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:32:51,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:32:51,601 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:32:51,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-10-20 00:32:51,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b347a3f91/13d54aed34a842c1be19408082d6cdc5/FLAGb8b15cec4 [2020-10-20 00:32:52,133 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:32:52,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2020-10-20 00:32:52,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b347a3f91/13d54aed34a842c1be19408082d6cdc5/FLAGb8b15cec4 [2020-10-20 00:32:52,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b347a3f91/13d54aed34a842c1be19408082d6cdc5 [2020-10-20 00:32:52,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:32:52,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:32:52,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:52,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:32:52,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:32:52,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:52" (1/1) ... [2020-10-20 00:32:52,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e739a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:52, skipping insertion in model container [2020-10-20 00:32:52,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:52" (1/1) ... [2020-10-20 00:32:52,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:32:52,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:32:52,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:52,943 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:32:52,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:53,000 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:32:53,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53 WrapperNode [2020-10-20 00:32:53,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:53,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:53,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:32:53,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:32:53,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (1/1) ... [2020-10-20 00:32:53,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (1/1) ... [2020-10-20 00:32:53,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:53,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:32:53,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:32:53,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:32:53,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (1/1) ... [2020-10-20 00:32:53,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (1/1) ... [2020-10-20 00:32:53,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (1/1) ... [2020-10-20 00:32:53,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (1/1) ... [2020-10-20 00:32:53,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (1/1) ... [2020-10-20 00:32:53,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (1/1) ... [2020-10-20 00:32:53,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (1/1) ... [2020-10-20 00:32:53,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:32:53,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:32:53,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:32:53,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:32:53,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (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 [2020-10-20 00:32:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:32:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:32:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:32:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:32:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:32:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:32:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:32:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:32:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:32:53,702 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:32:53,702 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-20 00:32:53,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:53 BoogieIcfgContainer [2020-10-20 00:32:53,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:32:53,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:32:53,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:32:53,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:32:53,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:32:52" (1/3) ... [2020-10-20 00:32:53,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66251d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:53, skipping insertion in model container [2020-10-20 00:32:53,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:53" (2/3) ... [2020-10-20 00:32:53,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66251d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:53, skipping insertion in model container [2020-10-20 00:32:53,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:53" (3/3) ... [2020-10-20 00:32:53,715 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b.c [2020-10-20 00:32:53,728 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:32:53,739 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:32:53,764 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:32:53,800 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:32:53,800 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:32:53,801 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:32:53,801 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:32:53,801 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:32:53,801 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:32:53,802 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:32:53,802 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:32:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-20 00:32:53,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:32:53,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:53,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:53,824 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:53,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:53,830 INFO L82 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2020-10-20 00:32:53,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:53,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923218497] [2020-10-20 00:32:53,842 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 [2020-10-20 00:32:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:54,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:32:54,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:54,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:54,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923218497] [2020-10-20 00:32:54,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:54,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:32:54,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358319399] [2020-10-20 00:32:54,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:32:54,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:54,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:32:54,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:54,062 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-10-20 00:32:54,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:54,084 INFO L93 Difference]: Finished difference Result 55 states and 85 transitions. [2020-10-20 00:32:54,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:32:54,085 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:32:54,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:54,097 INFO L225 Difference]: With dead ends: 55 [2020-10-20 00:32:54,097 INFO L226 Difference]: Without dead ends: 25 [2020-10-20 00:32:54,100 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 [2020-10-20 00:32:54,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-20 00:32:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-20 00:32:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-20 00:32:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-10-20 00:32:54,139 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2020-10-20 00:32:54,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:54,139 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-10-20 00:32:54,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:32:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-10-20 00:32:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:32:54,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:54,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:54,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:32:54,364 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:54,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:54,365 INFO L82 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2020-10-20 00:32:54,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:54,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616419876] [2020-10-20 00:32:54,367 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 [2020-10-20 00:32:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:54,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:32:54,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:54,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:54,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1616419876] [2020-10-20 00:32:54,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:54,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:32:54,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383381452] [2020-10-20 00:32:54,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:32:54,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:54,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:32:54,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:32:54,831 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 8 states. [2020-10-20 00:32:55,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:55,032 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2020-10-20 00:32:55,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:32:55,033 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-20 00:32:55,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:55,034 INFO L225 Difference]: With dead ends: 35 [2020-10-20 00:32:55,034 INFO L226 Difference]: Without dead ends: 19 [2020-10-20 00:32:55,035 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 [2020-10-20 00:32:55,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-20 00:32:55,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-20 00:32:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-20 00:32:55,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-10-20 00:32:55,042 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 12 [2020-10-20 00:32:55,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:55,042 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-10-20 00:32:55,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:32:55,042 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-10-20 00:32:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 00:32:55,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:55,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:55,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:32:55,257 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:55,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:55,258 INFO L82 PathProgramCache]: Analyzing trace with hash -660443026, now seen corresponding path program 1 times [2020-10-20 00:32:55,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:55,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463151690] [2020-10-20 00:32:55,260 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 [2020-10-20 00:32:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:55,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 00:32:55,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:55,424 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 [2020-10-20 00:32:55,430 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,435 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:55,436 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,440 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:55,441 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. [2020-10-20 00:32:55,441 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2020-10-20 00:32:55,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:55,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:55,571 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 [2020-10-20 00:32:55,576 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,585 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:55,586 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,590 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:55,590 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,591 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-10-20 00:32:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:55,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463151690] [2020-10-20 00:32:55,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:55,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-20 00:32:55,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752250849] [2020-10-20 00:32:55,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 00:32:55,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:55,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 00:32:55,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:32:55,617 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-10-20 00:32:55,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:55,953 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-10-20 00:32:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:32:55,954 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-20 00:32:55,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:55,954 INFO L225 Difference]: With dead ends: 22 [2020-10-20 00:32:55,954 INFO L226 Difference]: Without dead ends: 19 [2020-10-20 00:32:55,955 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 [2020-10-20 00:32:55,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-20 00:32:55,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-20 00:32:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-20 00:32:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-10-20 00:32:55,966 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-10-20 00:32:55,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:55,967 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-10-20 00:32:55,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 00:32:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-10-20 00:32:55,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 00:32:55,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:55,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:56,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:32:56,178 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:56,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:56,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1192312195, now seen corresponding path program 1 times [2020-10-20 00:32:56,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:56,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518043962] [2020-10-20 00:32:56,179 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 [2020-10-20 00:32:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:56,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2020-10-20 00:32:56,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:56,387 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 [2020-10-20 00:32:56,417 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:56,423 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:56,424 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:56,435 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:56,436 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. [2020-10-20 00:32:56,437 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2020-10-20 00:32:56,561 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:32:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:56,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:56,883 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 [2020-10-20 00:32:56,886 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:56,890 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:56,890 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:56,904 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:56,905 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. [2020-10-20 00:32:56,905 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:29 [2020-10-20 00:32:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:57,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518043962] [2020-10-20 00:32:57,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:57,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-10-20 00:32:57,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845275148] [2020-10-20 00:32:57,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-20 00:32:57,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:57,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-20 00:32:57,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-20 00:32:57,159 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 18 states. [2020-10-20 00:32:57,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:57,714 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-20 00:32:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 00:32:57,715 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2020-10-20 00:32:57,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:57,716 INFO L225 Difference]: With dead ends: 19 [2020-10-20 00:32:57,716 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:32:57,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-20 00:32:57,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:32:57,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:32:57,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:32:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:32:57,718 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-20 00:32:57,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:57,718 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:32:57,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-20 00:32:57,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:32:57,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:32:57,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 00:32:57,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:32:58,180 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2020-10-20 00:32:58,402 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-10-20 00:32:58,409 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))) [2020-10-20 00:32:58,409 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:32:58,409 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:32:58,410 INFO L274 CegarLoopResult]: For program point L32(lines 32 60) no Hoare annotation was computed. [2020-10-20 00:32:58,410 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:32:58,410 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:32:58,410 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)))))) [2020-10-20 00:32:58,411 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:32:58,411 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:32:58,411 INFO L274 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2020-10-20 00:32:58,411 INFO L270 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: (= ULTIMATE.start_trunc_double_~x (_ +zero 11 53)) [2020-10-20 00:32:58,412 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2020-10-20 00:32:58,412 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-10-20 00:32:58,412 INFO L274 CegarLoopResult]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2020-10-20 00:32:58,412 INFO L270 CegarLoopResult]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2020-10-20 00:32:58,412 INFO L274 CegarLoopResult]: For program point L33(lines 33 48) no Hoare annotation was computed. [2020-10-20 00:32:58,412 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:32:58,412 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-20 00:32:58,412 INFO L274 CegarLoopResult]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2020-10-20 00:32:58,413 INFO L274 CegarLoopResult]: For program point L87-2(lines 87 90) no Hoare annotation was computed. [2020-10-20 00:32:58,413 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2020-10-20 00:32:58,413 INFO L274 CegarLoopResult]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2020-10-20 00:32:58,413 INFO L274 CegarLoopResult]: For program point L50(lines 50 52) no Hoare annotation was computed. [2020-10-20 00:32:58,413 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-10-20 00:32:58,413 INFO L274 CegarLoopResult]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2020-10-20 00:32:58,413 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))) [2020-10-20 00:32:58,414 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)))))) [2020-10-20 00:32:58,414 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2020-10-20 00:32:58,414 INFO L277 CegarLoopResult]: At program point L92(lines 76 93) the Hoare annotation is: true [2020-10-20 00:32:58,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,443 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:32:58 BoogieIcfgContainer [2020-10-20 00:32:58,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:32:58,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:32:58,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:32:58,475 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:32:58,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:53" (3/4) ... [2020-10-20 00:32:58,479 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:32:58,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-10-20 00:32:58,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-20 00:32:58,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 00:32:58,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:32:58,524 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])) [2020-10-20 00:32:58,525 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])) [2020-10-20 00:32:58,526 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() [2020-10-20 00:32:58,526 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() [2020-10-20 00:32:58,558 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:32:58,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:32:58,560 INFO L168 Benchmark]: Toolchain (without parser) took 6100.80 ms. Allocated memory was 35.1 MB in the beginning and 57.1 MB in the end (delta: 22.0 MB). Free memory was 13.0 MB in the beginning and 29.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:58,561 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 33.6 MB. Free memory was 19.1 MB in the beginning and 19.1 MB in the end (delta: 31.3 kB). Peak memory consumption was 31.3 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:58,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.38 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 12.2 MB in the beginning and 21.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:58,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.19 ms. Allocated memory is still 44.0 MB. Free memory was 21.3 MB in the beginning and 19.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:58,562 INFO L168 Benchmark]: Boogie Preprocessor took 42.37 ms. Allocated memory is still 44.0 MB. Free memory was 19.3 MB in the beginning and 17.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:58,563 INFO L168 Benchmark]: RCFGBuilder took 597.45 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 17.2 MB in the beginning and 22.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:58,564 INFO L168 Benchmark]: TraceAbstraction took 4767.98 ms. Allocated memory was 46.1 MB in the beginning and 57.1 MB in the end (delta: 11.0 MB). Free memory was 21.7 MB in the beginning and 33.7 MB in the end (delta: -11.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:58,564 INFO L168 Benchmark]: Witness Printer took 83.79 ms. Allocated memory is still 57.1 MB. Free memory was 33.7 MB in the beginning and 29.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:58,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 33.6 MB. Free memory was 19.1 MB in the beginning and 19.1 MB in the end (delta: 31.3 kB). Peak memory consumption was 31.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 534.38 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 12.2 MB in the beginning and 21.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 62.19 ms. Allocated memory is still 44.0 MB. Free memory was 21.3 MB in the beginning and 19.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 42.37 ms. Allocated memory is still 44.0 MB. Free memory was 19.3 MB in the beginning and 17.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 597.45 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 17.2 MB in the beginning and 22.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 4767.98 ms. Allocated memory was 46.1 MB in the beginning and 57.1 MB in the end (delta: 11.0 MB). Free memory was 21.7 MB in the beginning and 33.7 MB in the end (delta: -11.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 14.3 GB. * Witness Printer took 83.79 ms. Allocated memory is still 57.1 MB. Free memory was 33.7 MB in the beginning and 29.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 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 [2020-10-20 00:32:58,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,599 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 [2020-10-20 00:32:58,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,602 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,605 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 [2020-10-20 00:32:58,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,613 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,614 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,614 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,614 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,614 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 [2020-10-20 00:32:58,616 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,618 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,618 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,618 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,618 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,618 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,619 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,619 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,619 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,619 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,620 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,620 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,620 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,621 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2020-10-20 00:32:58,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2020-10-20 00:32:58,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-10-20 00:32:58,624 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: 4.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, 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, 1.5s 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, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s 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...