./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1032b.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 85249c132f434df72ec1ecca47ec776ea5a3cebf .................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1032b.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 85249c132f434df72ec1ecca47ec776ea5a3cebf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 08:22:39,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 08:22:39,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 08:22:39,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 08:22:39,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 08:22:39,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 08:22:39,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 08:22:39,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 08:22:39,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 08:22:39,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 08:22:39,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 08:22:39,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 08:22:39,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 08:22:39,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 08:22:39,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 08:22:39,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 08:22:39,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 08:22:39,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 08:22:39,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 08:22:39,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 08:22:39,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 08:22:39,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 08:22:39,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 08:22:39,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 08:22:39,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 08:22:40,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 08:22:40,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 08:22:40,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 08:22:40,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 08:22:40,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 08:22:40,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 08:22:40,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 08:22:40,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 08:22:40,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 08:22:40,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 08:22:40,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 08:22:40,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 08:22:40,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 08:22:40,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 08:22:40,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 08:22:40,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 08:22:40,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 08:22:40,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 08:22:40,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 08:22:40,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 08:22:40,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 08:22:40,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 08:22:40,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 08:22:40,051 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 08:22:40,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 08:22:40,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 08:22:40,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 08:22:40,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 08:22:40,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 08:22:40,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 08:22:40,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 08:22:40,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 08:22:40,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 08:22:40,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 08:22:40,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 08:22:40,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 08:22:40,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 08:22:40,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 08:22:40,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 08:22:40,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 08:22:40,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 08:22:40,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 08:22:40,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 08:22:40,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 08:22:40,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 08:22:40,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 08:22:40,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 08:22:40,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85249c132f434df72ec1ecca47ec776ea5a3cebf [2021-08-29 08:22:40,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 08:22:40,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 08:22:40,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 08:22:40,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 08:22:40,367 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 08:22:40,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-08-29 08:22:40,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2ad864a/8a286d9bea37482d988b39d3b89ae362/FLAGef8ad7d0d [2021-08-29 08:22:40,836 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 08:22:40,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-08-29 08:22:40,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2ad864a/8a286d9bea37482d988b39d3b89ae362/FLAGef8ad7d0d [2021-08-29 08:22:40,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2ad864a/8a286d9bea37482d988b39d3b89ae362 [2021-08-29 08:22:40,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 08:22:40,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 08:22:40,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 08:22:40,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 08:22:40,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 08:22:40,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:22:40" (1/1) ... [2021-08-29 08:22:40,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b9ffa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:40, skipping insertion in model container [2021-08-29 08:22:40,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:22:40" (1/1) ... [2021-08-29 08:22:40,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 08:22:40,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 08:22:41,048 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c[2284,2297] [2021-08-29 08:22:41,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 08:22:41,061 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 08:22:41,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c[2284,2297] [2021-08-29 08:22:41,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 08:22:41,133 INFO L208 MainTranslator]: Completed translation [2021-08-29 08:22:41,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41 WrapperNode [2021-08-29 08:22:41,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 08:22:41,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 08:22:41,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 08:22:41,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 08:22:41,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 08:22:41,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 08:22:41,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 08:22:41,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 08:22:41,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 08:22:41,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 08:22:41,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 08:22:41,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 08:22:41,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (1/1) ... [2021-08-29 08:22:41,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 08:22:41,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 08:22:41,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 08:22:41,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 08:22:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 08:22:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 08:22:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-08-29 08:22:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 08:22:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-08-29 08:22:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 08:22:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 08:22:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-29 08:22:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 08:22:41,642 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 08:22:41,642 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-29 08:22:41,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:22:41 BoogieIcfgContainer [2021-08-29 08:22:41,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 08:22:41,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 08:22:41,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 08:22:41,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 08:22:41,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 08:22:40" (1/3) ... [2021-08-29 08:22:41,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11450ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:22:41, skipping insertion in model container [2021-08-29 08:22:41,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:41" (2/3) ... [2021-08-29 08:22:41,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11450ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:22:41, skipping insertion in model container [2021-08-29 08:22:41,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:22:41" (3/3) ... [2021-08-29 08:22:41,651 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2021-08-29 08:22:41,656 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 08:22:41,672 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 08:22:41,731 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 08:22:41,740 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 08:22:41,740 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 08:22:41,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:41,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 08:22:41,761 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:22:41,762 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:22:41,763 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:22:41,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:22:41,772 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2021-08-29 08:22:41,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 08:22:41,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536924710] [2021-08-29 08:22:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:22:41,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 08:22:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:22:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:41,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 08:22:41,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536924710] [2021-08-29 08:22:41,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536924710] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 08:22:41,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:22:41,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 08:22:41,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247896067] [2021-08-29 08:22:41,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 08:22:41,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 08:22:41,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 08:22:41,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 08:22:41,997 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:42,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:22:42,099 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2021-08-29 08:22:42,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 08:22:42,109 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-29 08:22:42,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:22:42,117 INFO L225 Difference]: With dead ends: 58 [2021-08-29 08:22:42,117 INFO L226 Difference]: Without dead ends: 27 [2021-08-29 08:22:42,120 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 08:22:42,124 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.43ms IncrementalHoareTripleChecker+Time [2021-08-29 08:22:42,125 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 38 Unknown, 0 Unchecked, 0.48ms Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 82.43ms Time] [2021-08-29 08:22:42,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-08-29 08:22:42,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-08-29 08:22:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-08-29 08:22:42,159 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2021-08-29 08:22:42,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:22:42,160 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-08-29 08:22:42,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-08-29 08:22:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-29 08:22:42,161 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:22:42,161 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:22:42,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 08:22:42,162 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:22:42,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:22:42,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2021-08-29 08:22:42,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 08:22:42,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050989275] [2021-08-29 08:22:42,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:22:42,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 08:22:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 08:22:42,226 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 08:22:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 08:22:42,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 08:22:42,307 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 08:22:42,310 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 08:22:42,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 08:22:42,317 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 08:22:42,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 08:22:42 BoogieIcfgContainer [2021-08-29 08:22:42,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 08:22:42,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 08:22:42,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 08:22:42,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 08:22:42,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:22:41" (3/4) ... [2021-08-29 08:22:42,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-29 08:22:42,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 08:22:42,361 INFO L158 Benchmark]: Toolchain (without parser) took 1495.01ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.7MB in the beginning and 45.2MB in the end (delta: -9.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-08-29 08:22:42,361 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:22:42,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.08ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 39.2MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 08:22:42,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.31ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:22:42,365 INFO L158 Benchmark]: Boogie Preprocessor took 46.12ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 36.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:22:42,368 INFO L158 Benchmark]: RCFGBuilder took 419.81ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 54.8MB in the end (delta: -18.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-08-29 08:22:42,368 INFO L158 Benchmark]: TraceAbstraction took 707.03ms. Allocated memory is still 73.4MB. Free memory was 54.4MB in the beginning and 45.5MB in the end (delta: 8.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-08-29 08:22:42,368 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 45.2MB in the end (delta: 251.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:22:42,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.08ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 39.2MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.31ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.12ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 36.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 419.81ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 54.8MB in the end (delta: -18.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 707.03ms. Allocated memory is still 73.4MB. Free memory was 54.4MB in the beginning and 45.5MB in the end (delta: 8.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 45.2MB in the end (delta: 251.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 93]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 36, overapproximation of someUnaryDOUBLEoperation at line 88, overapproximation of bitwiseAnd at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L88] double x = -0.0; [L20] __int32_t msw, exponent_less_1023; [L21] __uint32_t lsw; [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L29] COND TRUE exponent_less_1023 < 20 [L30] COND FALSE !(exponent_less_1023 < 0) [L36] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L37] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L38] return x; [L89] double res = round_double(x); [L92] EXPR res == -0.0 && __signbit_double(res) == 1 [L92] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L93] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 587.09ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.83ms, AutomataDifference: 163.70ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 10.54ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 82.43ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 66.86ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 38 mSolverCounterSat, 0.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 19.72ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.99ms SsaConstructionTime, 72.10ms SatisfiabilityAnalysisTime, 73.44ms InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2021-08-29 08:22:42,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 08:22:44,275 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-08-29 08:22:44,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 08:22:44,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 08:22:44,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 08:22:44,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 08:22:44,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 08:22:44,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 08:22:44,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 08:22:44,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 08:22:44,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 08:22:44,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 08:22:44,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 08:22:44,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 08:22:44,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 08:22:44,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 08:22:44,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 08:22:44,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 08:22:44,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 08:22:44,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 08:22:44,426 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 08:22:44,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 08:22:44,427 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 08:22:44,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 08:22:44,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 08:22:44,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 08:22:44,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 08:22:44,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 08:22:44,428 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 08:22:44,428 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 08:22:44,429 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 08:22:44,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 08:22:44,429 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 08:22:44,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 08:22:44,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 08:22:44,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 08:22:44,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 08:22:44,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 08:22:44,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 08:22:44,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 08:22:44,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 08:22:44,431 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 08:22:44,431 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 08:22:44,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 08:22:44,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 08:22:44,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 08:22:44,432 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85249c132f434df72ec1ecca47ec776ea5a3cebf [2021-08-29 08:22:44,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 08:22:44,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 08:22:44,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 08:22:44,792 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 08:22:44,793 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 08:22:44,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-08-29 08:22:44,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f536df2d6/a18a25b779ad41bda61942b5ea632e9a/FLAGfe8eb0b73 [2021-08-29 08:22:45,351 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 08:22:45,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-08-29 08:22:45,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f536df2d6/a18a25b779ad41bda61942b5ea632e9a/FLAGfe8eb0b73 [2021-08-29 08:22:45,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f536df2d6/a18a25b779ad41bda61942b5ea632e9a [2021-08-29 08:22:45,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 08:22:45,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 08:22:45,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 08:22:45,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 08:22:45,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 08:22:45,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370ca060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45, skipping insertion in model container [2021-08-29 08:22:45,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 08:22:45,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 08:22:45,532 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c[2284,2297] [2021-08-29 08:22:45,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 08:22:45,549 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 08:22:45,625 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c[2284,2297] [2021-08-29 08:22:45,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 08:22:45,642 INFO L208 MainTranslator]: Completed translation [2021-08-29 08:22:45,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45 WrapperNode [2021-08-29 08:22:45,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 08:22:45,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 08:22:45,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 08:22:45,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 08:22:45,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 08:22:45,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 08:22:45,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 08:22:45,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 08:22:45,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 08:22:45,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 08:22:45,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 08:22:45,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 08:22:45,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (1/1) ... [2021-08-29 08:22:45,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 08:22:45,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 08:22:45,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 08:22:45,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 08:22:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-08-29 08:22:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-08-29 08:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-29 08:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 08:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-29 08:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 08:22:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 08:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-29 08:22:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 08:22:46,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 08:22:46,122 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-29 08:22:46,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:22:46 BoogieIcfgContainer [2021-08-29 08:22:46,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 08:22:46,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 08:22:46,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 08:22:46,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 08:22:46,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 08:22:45" (1/3) ... [2021-08-29 08:22:46,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f58098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:22:46, skipping insertion in model container [2021-08-29 08:22:46,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:22:45" (2/3) ... [2021-08-29 08:22:46,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f58098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:22:46, skipping insertion in model container [2021-08-29 08:22:46,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:22:46" (3/3) ... [2021-08-29 08:22:46,131 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2021-08-29 08:22:46,135 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 08:22:46,136 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 08:22:46,174 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 08:22:46,181 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 08:22:46,182 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 08:22:46,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:46,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 08:22:46,215 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:22:46,216 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:22:46,217 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:22:46,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:22:46,225 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2021-08-29 08:22:46,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:22:46,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198929019] [2021-08-29 08:22:46,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:22:46,236 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:22:46,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:22:46,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:22:46,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-29 08:22:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:22:46,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-29 08:22:46,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:22:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:46,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:22:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:46,455 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:22:46,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198929019] [2021-08-29 08:22:46,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198929019] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:22:46,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:22:46,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-29 08:22:46,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368658096] [2021-08-29 08:22:46,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 08:22:46,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:22:46,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 08:22:46,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 08:22:46,491 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:46,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:22:46,738 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2021-08-29 08:22:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 08:22:46,740 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-29 08:22:46,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:22:46,747 INFO L225 Difference]: With dead ends: 58 [2021-08-29 08:22:46,747 INFO L226 Difference]: Without dead ends: 27 [2021-08-29 08:22:46,750 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.10ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 08:22:46,753 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 213.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 230.39ms IncrementalHoareTripleChecker+Time [2021-08-29 08:22:46,753 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 38 Unknown, 0 Unchecked, 0.46ms Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 230.39ms Time] [2021-08-29 08:22:46,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-08-29 08:22:46,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-08-29 08:22:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-08-29 08:22:46,786 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2021-08-29 08:22:46,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:22:46,786 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-08-29 08:22:46,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-08-29 08:22:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-29 08:22:46,788 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:22:46,788 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:22:46,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-29 08:22:47,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:22:47,001 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:22:47,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:22:47,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2021-08-29 08:22:47,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:22:47,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425679301] [2021-08-29 08:22:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:22:47,003 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:22:47,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:22:47,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:22:47,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-29 08:22:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:22:47,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-29 08:22:47,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:22:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:47,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:22:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:47,366 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:22:47,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425679301] [2021-08-29 08:22:47,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425679301] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:22:47,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:22:47,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-29 08:22:47,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364730805] [2021-08-29 08:22:47,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 08:22:47,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:22:47,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 08:22:47,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-29 08:22:47,374 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:22:47,696 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2021-08-29 08:22:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 08:22:47,696 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-29 08:22:47,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:22:47,697 INFO L225 Difference]: With dead ends: 52 [2021-08-29 08:22:47,697 INFO L226 Difference]: Without dead ends: 39 [2021-08-29 08:22:47,698 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 97.24ms TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-08-29 08:22:47,699 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 15 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 241.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.68ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 282.10ms IncrementalHoareTripleChecker+Time [2021-08-29 08:22:47,699 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 0 Invalid, 151 Unknown, 0 Unchecked, 1.68ms Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 53 Unchecked, 282.10ms Time] [2021-08-29 08:22:47,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-08-29 08:22:47,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 26. [2021-08-29 08:22:47,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:47,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-08-29 08:22:47,704 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 12 [2021-08-29 08:22:47,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:22:47,704 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-08-29 08:22:47,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-08-29 08:22:47,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-29 08:22:47,705 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:22:47,705 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:22:47,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-29 08:22:47,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:22:47,909 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:22:47,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:22:47,910 INFO L82 PathProgramCache]: Analyzing trace with hash -504714538, now seen corresponding path program 1 times [2021-08-29 08:22:47,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:22:47,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865959582] [2021-08-29 08:22:47,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:22:47,911 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:22:47,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:22:47,912 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:22:47,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-29 08:22:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:22:47,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-29 08:22:47,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:22:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:48,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:22:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:48,161 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:22:48,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865959582] [2021-08-29 08:22:48,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865959582] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:22:48,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:22:48,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-29 08:22:48,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059639126] [2021-08-29 08:22:48,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 08:22:48,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:22:48,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 08:22:48,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-29 08:22:48,163 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:48,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:22:48,574 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2021-08-29 08:22:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 08:22:48,575 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-29 08:22:48,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:22:48,576 INFO L225 Difference]: With dead ends: 51 [2021-08-29 08:22:48,576 INFO L226 Difference]: Without dead ends: 34 [2021-08-29 08:22:48,576 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 89.76ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-29 08:22:48,577 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 29 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 349.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.88ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 373.41ms IncrementalHoareTripleChecker+Time [2021-08-29 08:22:48,578 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 0 Invalid, 164 Unknown, 0 Unchecked, 1.88ms Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 80 Unchecked, 373.41ms Time] [2021-08-29 08:22:48,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-08-29 08:22:48,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 21. [2021-08-29 08:22:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-08-29 08:22:48,582 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2021-08-29 08:22:48,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:22:48,583 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-08-29 08:22:48,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:48,583 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-08-29 08:22:48,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 08:22:48,584 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:22:48,584 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:22:48,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-29 08:22:48,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:22:48,800 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:22:48,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:22:48,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1962860917, now seen corresponding path program 1 times [2021-08-29 08:22:48,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:22:48,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376968825] [2021-08-29 08:22:48,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:22:48,801 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:22:48,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:22:48,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:22:48,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-29 08:22:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:22:48,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-29 08:22:48,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:22:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:48,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:22:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:49,090 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:22:49,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376968825] [2021-08-29 08:22:49,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376968825] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:22:49,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:22:49,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-29 08:22:49,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090520753] [2021-08-29 08:22:49,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 08:22:49,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:22:49,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 08:22:49,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-29 08:22:49,092 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:49,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:22:49,168 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2021-08-29 08:22:49,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 08:22:49,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 08:22:49,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:22:49,170 INFO L225 Difference]: With dead ends: 34 [2021-08-29 08:22:49,170 INFO L226 Difference]: Without dead ends: 21 [2021-08-29 08:22:49,171 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 72.50ms TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-08-29 08:22:49,172 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 55.81ms IncrementalHoareTripleChecker+Time [2021-08-29 08:22:49,172 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 81 Unknown, 0 Unchecked, 0.46ms Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 34 Unchecked, 55.81ms Time] [2021-08-29 08:22:49,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-08-29 08:22:49,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-08-29 08:22:49,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:49,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-08-29 08:22:49,178 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 16 [2021-08-29 08:22:49,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:22:49,178 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-08-29 08:22:49,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-08-29 08:22:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 08:22:49,179 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:22:49,179 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:22:49,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-29 08:22:49,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:22:49,389 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:22:49,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:22:49,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2021-08-29 08:22:49,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:22:49,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710783167] [2021-08-29 08:22:49,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:22:49,391 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:22:49,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:22:49,392 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:22:49,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-29 08:22:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:22:49,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-29 08:22:49,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:22:49,527 INFO L388 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 [2021-08-29 08:22:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:49,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:22:49,661 INFO L388 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 46 treesize of output 40 [2021-08-29 08:22:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:49,724 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:22:49,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710783167] [2021-08-29 08:22:49,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710783167] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:22:49,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:22:49,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-08-29 08:22:49,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710427854] [2021-08-29 08:22:49,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-29 08:22:49,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:22:49,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-29 08:22:49,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-08-29 08:22:49,726 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:22:49,912 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2021-08-29 08:22:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 08:22:49,913 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 08:22:49,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:22:49,914 INFO L225 Difference]: With dead ends: 24 [2021-08-29 08:22:49,914 INFO L226 Difference]: Without dead ends: 21 [2021-08-29 08:22:49,914 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 209.40ms TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-08-29 08:22:49,915 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 13 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 73.78ms IncrementalHoareTripleChecker+Time [2021-08-29 08:22:49,915 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 0 Invalid, 74 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 18 Unchecked, 73.78ms Time] [2021-08-29 08:22:49,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-08-29 08:22:49,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-08-29 08:22:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2021-08-29 08:22:49,918 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2021-08-29 08:22:49,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:22:49,919 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2021-08-29 08:22:49,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2021-08-29 08:22:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-29 08:22:49,919 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:22:49,919 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:22:49,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-29 08:22:50,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:22:50,120 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:22:50,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:22:50,121 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2021-08-29 08:22:50,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:22:50,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908312436] [2021-08-29 08:22:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:22:50,122 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:22:50,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:22:50,123 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:22:50,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-29 08:22:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:22:50,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-29 08:22:50,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:22:50,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2021-08-29 08:22:50,584 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-08-29 08:22:50,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 90 [2021-08-29 08:22:51,751 INFO L354 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2021-08-29 08:22:51,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 59 [2021-08-29 08:22:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:52,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:22:54,689 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-29 08:22:54,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 118 treesize of output 97 [2021-08-29 08:22:54,718 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-29 08:22:54,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 95 [2021-08-29 08:22:54,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-29 08:22:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:22:54,914 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:22:54,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908312436] [2021-08-29 08:22:54,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908312436] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:22:54,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:22:54,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2021-08-29 08:22:54,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453437097] [2021-08-29 08:22:54,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-29 08:22:54,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:22:54,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-29 08:22:54,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=264, Unknown=1, NotChecked=0, Total=306 [2021-08-29 08:22:54,917 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand has 18 states, 18 states have (on average 2.0) internal successors, (36), 18 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:55,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:22:55,007 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2021-08-29 08:22:55,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-29 08:22:55,007 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.0) internal successors, (36), 18 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-08-29 08:22:55,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:22:55,008 INFO L225 Difference]: With dead ends: 21 [2021-08-29 08:22:55,008 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 08:22:55,008 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2852.53ms TimeCoverageRelationStatistics Valid=53, Invalid=326, Unknown=1, NotChecked=0, Total=380 [2021-08-29 08:22:55,009 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 23.58ms IncrementalHoareTripleChecker+Time [2021-08-29 08:22:55,009 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 63 Unknown, 0 Unchecked, 0.22ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 49 Unchecked, 23.58ms Time] [2021-08-29 08:22:55,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 08:22:55,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 08:22:55,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 08:22:55,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-08-29 08:22:55,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:22:55,010 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 08:22:55,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.0) internal successors, (36), 18 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:22:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 08:22:55,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 08:22:55,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 08:22:55,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-29 08:22:55,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:22:55,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 08:22:55,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:22:55,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:22:55,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:22:55,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:22:55,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:22:55,338 INFO L861 garLoopResultBuilder]: At program point L97(lines 80 98) the Hoare annotation is: true [2021-08-29 08:22:55,338 INFO L858 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2021-08-29 08:22:55,338 INFO L854 garLoopResultBuilder]: At program point L77(lines 68 78) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short13| (bvslt ULTIMATE.start_round_double_~exponent_less_1023~0 (_ bv20 32)) (= |ULTIMATE.start___signbit_double_#res| (_ bv1 32))) [2021-08-29 08:22:55,338 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 47) no Hoare annotation was computed. [2021-08-29 08:22:55,339 INFO L854 garLoopResultBuilder]: At program point L65(lines 19 66) the Hoare annotation is: (and (exists ((v_ULTIMATE.start_round_double_~msw~0_24 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_24) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (bvslt ULTIMATE.start_round_double_~exponent_less_1023~0 (_ bv20 32)) (exists ((|v_ULTIMATE.start_round_double_~#iw_u~0.base_11| (_ BitVec 32)) (|v_ULTIMATE.start_round_double_~#ew_u~0.base_14| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0.base_14|)) (.cse4 (select |#memory_int| |v_ULTIMATE.start_round_double_~#iw_u~0.base_11|))) (let ((.cse3 (select .cse4 (_ bv4 32))) (.cse5 (select .cse1 (_ bv4 32)))) (and (or (= |v_ULTIMATE.start_round_double_~#ew_u~0.base_14| |v_ULTIMATE.start_round_double_~#iw_u~0.base_11|) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|))) (= |ULTIMATE.start_round_double_#res| (let ((.cse2 (concat .cse3 (select .cse4 (_ bv0 32))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= .cse5 .cse3) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) (fp.neg (_ +zero 11 53))) (= .cse5 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_8|)))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_24 (_ BitVec 32))) (= (let ((.cse6 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_24) (_ bv0 32)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))) ULTIMATE.start_round_double_~x))) [2021-08-29 08:22:55,339 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 33) no Hoare annotation was computed. [2021-08-29 08:22:55,339 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 08:22:55,339 INFO L858 garLoopResultBuilder]: For program point L32-2(lines 32 33) no Hoare annotation was computed. [2021-08-29 08:22:55,339 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 08:22:55,339 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 08:22:55,339 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 93) no Hoare annotation was computed. [2021-08-29 08:22:55,340 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2021-08-29 08:22:55,340 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 08:22:55,340 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 58) no Hoare annotation was computed. [2021-08-29 08:22:55,340 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2021-08-29 08:22:55,340 INFO L858 garLoopResultBuilder]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2021-08-29 08:22:55,340 INFO L858 garLoopResultBuilder]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2021-08-29 08:22:55,340 INFO L854 garLoopResultBuilder]: At program point L71-2(lines 71 75) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short13| (bvslt ULTIMATE.start_round_double_~exponent_less_1023~0 (_ bv20 32)) (exists ((|v_ULTIMATE.start_round_double_~#iw_u~0.base_11| (_ BitVec 32)) (|v_ULTIMATE.start_round_double_~#ew_u~0.base_14| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0.base_14|)) (.cse2 (select |#memory_int| |v_ULTIMATE.start_round_double_~#iw_u~0.base_11|))) (let ((.cse1 (select .cse2 (_ bv4 32))) (.cse4 (select .cse3 (_ bv4 32)))) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (or (= |v_ULTIMATE.start_round_double_~#ew_u~0.base_14| |v_ULTIMATE.start_round_double_~#iw_u~0.base_11|) (= (select .cse3 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|))) (= .cse4 .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) (fp.neg (_ +zero 11 53))) (= .cse4 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_8|))))))) [2021-08-29 08:22:55,341 INFO L858 garLoopResultBuilder]: For program point L71-3(lines 71 75) no Hoare annotation was computed. [2021-08-29 08:22:55,341 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 42) no Hoare annotation was computed. [2021-08-29 08:22:55,341 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-29 08:22:55,341 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 64) no Hoare annotation was computed. [2021-08-29 08:22:55,341 INFO L858 garLoopResultBuilder]: For program point L59-1(lines 19 66) no Hoare annotation was computed. [2021-08-29 08:22:55,341 INFO L858 garLoopResultBuilder]: For program point L92-2(lines 92 95) no Hoare annotation was computed. [2021-08-29 08:22:55,341 INFO L858 garLoopResultBuilder]: For program point L59-2(lines 59 64) no Hoare annotation was computed. [2021-08-29 08:22:55,342 INFO L858 garLoopResultBuilder]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2021-08-29 08:22:55,342 INFO L854 garLoopResultBuilder]: At program point L22-2(lines 22 27) the Hoare annotation is: (= (fp.neg (_ +zero 11 53)) ULTIMATE.start_round_double_~x) [2021-08-29 08:22:55,342 INFO L858 garLoopResultBuilder]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2021-08-29 08:22:55,342 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-08-29 08:22:55,342 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 58) no Hoare annotation was computed. [2021-08-29 08:22:55,348 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 08:22:55,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,354 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,356 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,365 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,366 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,366 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,366 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,366 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,366 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,369 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 08:22:55 BoogieIcfgContainer [2021-08-29 08:22:55,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 08:22:55,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 08:22:55,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 08:22:55,396 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 08:22:55,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:22:46" (3/4) ... [2021-08-29 08:22:55,399 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 08:22:55,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-08-29 08:22:55,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-08-29 08:22:55,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 08:22:55,411 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 08:22:55,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_ULTIMATE.start_round_double_~msw~0_24 : bv32 :: \result == ~fp~LONGDOUBLE((~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[63:63], (~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[62:52], (~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[51:0])) && ~bvslt32(exponent_less_1023, 20bv32)) && (\exists v_ULTIMATE.start_round_double_~#iw_u~0.base_11 : bv32, v_ULTIMATE.start_round_double_~#ew_u~0.base_14 : bv32, v_skolemized_q#valueAsBitvector_8 : bv64 :: ((((v_ULTIMATE.start_round_double_~#ew_u~0.base_14 == v_ULTIMATE.start_round_double_~#iw_u~0.base_11 || unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][0bv32] == v_skolemized_q#valueAsBitvector_8[31:0]) && \result == ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[51:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][4bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_8[63:63], v_skolemized_q#valueAsBitvector_8[62:52], v_skolemized_q#valueAsBitvector_8[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][4bv32] == v_skolemized_q#valueAsBitvector_8[63:32])) && (\exists v_ULTIMATE.start_round_double_~msw~0_24 : bv32 :: ~fp~LONGDOUBLE((~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[63:63], (~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[62:52], (~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[51:0]) == x) [2021-08-29 08:22:55,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (aux-res == -0.0 && __signbit_double(res) == 1-aux && ~bvslt32(exponent_less_1023, 20bv32)) && (\exists v_ULTIMATE.start_round_double_~#iw_u~0.base_11 : bv32, v_ULTIMATE.start_round_double_~#ew_u~0.base_14 : bv32, v_skolemized_q#valueAsBitvector_8 : bv64 :: (((x == ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[51:0]) && (v_ULTIMATE.start_round_double_~#ew_u~0.base_14 == v_ULTIMATE.start_round_double_~#iw_u~0.base_11 || unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][0bv32] == v_skolemized_q#valueAsBitvector_8[31:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][4bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_8[63:63], v_skolemized_q#valueAsBitvector_8[62:52], v_skolemized_q#valueAsBitvector_8[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][4bv32] == v_skolemized_q#valueAsBitvector_8[63:32]) [2021-08-29 08:22:55,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (aux-res == -0.0 && __signbit_double(res) == 1-aux && ~bvslt32(exponent_less_1023, 20bv32)) && \result == 1bv32 [2021-08-29 08:22:55,448 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 08:22:55,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 08:22:55,449 INFO L158 Benchmark]: Toolchain (without parser) took 10067.20ms. Allocated memory was 56.6MB in the beginning and 90.2MB in the end (delta: 33.6MB). Free memory was 35.7MB in the beginning and 48.1MB in the end (delta: -12.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-08-29 08:22:55,449 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:22:55,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.60ms. Allocated memory is still 56.6MB. Free memory was 35.6MB in the beginning and 39.4MB in the end (delta: -3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 08:22:55,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.07ms. Allocated memory is still 56.6MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:22:55,450 INFO L158 Benchmark]: Boogie Preprocessor took 52.06ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 08:22:55,450 INFO L158 Benchmark]: RCFGBuilder took 375.64ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 50.1MB in the end (delta: -14.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-08-29 08:22:55,451 INFO L158 Benchmark]: TraceAbstraction took 9269.77ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 49.6MB in the beginning and 51.5MB in the end (delta: -1.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-08-29 08:22:55,451 INFO L158 Benchmark]: Witness Printer took 52.14ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 48.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 08:22:55,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.60ms. Allocated memory is still 56.6MB. Free memory was 35.6MB in the beginning and 39.4MB in the end (delta: -3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.07ms. Allocated memory is still 56.6MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.06ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.64ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 50.1MB in the end (delta: -14.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9269.77ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 49.6MB in the beginning and 51.5MB in the end (delta: -1.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Witness Printer took 52.14ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 48.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 93]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9175.53ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 14.38ms, AutomataDifference: 1404.73ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 122.48ms, InitialAbstractionConstructionTime: 21.03ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 1039.05ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 933.42ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 234 IncrementalHoareTripleChecker+Unchecked, 292 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 332 IncrementalHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 332 mSolverCounterSat, 5.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 117 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 3321.52ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 32.20ms AutomataMinimizationTime, 6 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 230 HoareAnnotationTreeSize, 5 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 52.55ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 5 FormulaSimplificationTreeSizeReductionInter, 64.14ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 58.65ms SsaConstructionTime, 201.05ms SatisfiabilityAnalysisTime, 5842.96ms InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 162 ConstructedInterpolants, 48 QuantifiedInterpolants, 1942 SizeOfPredicates, 42 NumberOfNonLiveVariables, 311 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant [2021-08-29 08:22:55,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] Derived loop invariant: (aux-res == -0.0 && __signbit_double(res) == 1-aux && ~bvslt32(exponent_less_1023, 20bv32)) && (\exists v_ULTIMATE.start_round_double_~#iw_u~0.base_11 : bv32, v_ULTIMATE.start_round_double_~#ew_u~0.base_14 : bv32, v_skolemized_q#valueAsBitvector_8 : bv64 :: (((x == ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[51:0]) && (v_ULTIMATE.start_round_double_~#ew_u~0.base_14 == v_ULTIMATE.start_round_double_~#iw_u~0.base_11 || unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][0bv32] == v_skolemized_q#valueAsBitvector_8[31:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][4bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_8[63:63], v_skolemized_q#valueAsBitvector_8[62:52], v_skolemized_q#valueAsBitvector_8[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][4bv32] == v_skolemized_q#valueAsBitvector_8[63:32]) - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (aux-res == -0.0 && __signbit_double(res) == 1-aux && ~bvslt32(exponent_less_1023, 20bv32)) && \result == 1bv32 - InvariantResult [Line: 19]: Loop Invariant [2021-08-29 08:22:55,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,489 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,490 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,491 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#iw_u~0.base_11,QUANTIFIED] [2021-08-29 08:22:55,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~#ew_u~0.base_14,QUANTIFIED] [2021-08-29 08:22:55,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_8,QUANTIFIED] [2021-08-29 08:22:55,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] [2021-08-29 08:22:55,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_round_double_~msw~0_24,QUANTIFIED] Derived loop invariant: (((\exists v_ULTIMATE.start_round_double_~msw~0_24 : bv32 :: \result == ~fp~LONGDOUBLE((~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[63:63], (~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[62:52], (~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[51:0])) && ~bvslt32(exponent_less_1023, 20bv32)) && (\exists v_ULTIMATE.start_round_double_~#iw_u~0.base_11 : bv32, v_ULTIMATE.start_round_double_~#ew_u~0.base_14 : bv32, v_skolemized_q#valueAsBitvector_8 : bv64 :: ((((v_ULTIMATE.start_round_double_~#ew_u~0.base_14 == v_ULTIMATE.start_round_double_~#iw_u~0.base_11 || unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][0bv32] == v_skolemized_q#valueAsBitvector_8[31:0]) && \result == ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][0bv32])[51:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][4bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#iw_u~0.base_11][4bv32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_8[63:63], v_skolemized_q#valueAsBitvector_8[62:52], v_skolemized_q#valueAsBitvector_8[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_round_double_~#ew_u~0.base_14][4bv32] == v_skolemized_q#valueAsBitvector_8[63:32])) && (\exists v_ULTIMATE.start_round_double_~msw~0_24 : bv32 :: ~fp~LONGDOUBLE((~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[63:63], (~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[62:52], (~bvand32(2147483648bv32, v_ULTIMATE.start_round_double_~msw~0_24) ++ 0bv32)[51:0]) == x) RESULT: Ultimate proved your program to be correct! [2021-08-29 08:22:55,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...