./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Double_div.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 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/floats-esbmc-regression/Double_div.i -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 d14c90708f35eac31ae5d9fda6b5469e825b2252 .................................................................................................................................................................................................................................... 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/floats-esbmc-regression/Double_div.i -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 d14c90708f35eac31ae5d9fda6b5469e825b2252 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 7027 column 7: canceled --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 23:52:46,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 23:52:46,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 23:52:46,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 23:52:46,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 23:52:46,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 23:52:46,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 23:52:46,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 23:52:46,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 23:52:46,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 23:52:46,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 23:52:46,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 23:52:46,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 23:52:46,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 23:52:46,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 23:52:46,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 23:52:46,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 23:52:46,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 23:52:46,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 23:52:46,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 23:52:46,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 23:52:46,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 23:52:46,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 23:52:46,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 23:52:46,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 23:52:46,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 23:52:46,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 23:52:46,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 23:52:46,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 23:52:46,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 23:52:46,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 23:52:46,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 23:52:46,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 23:52:46,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 23:52:46,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 23:52:46,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 23:52:46,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 23:52:46,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 23:52:46,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 23:52:46,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 23:52:46,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 23:52:46,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-04 23:52:46,932 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 23:52:46,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 23:52:46,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 23:52:46,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 23:52:46,934 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 23:52:46,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 23:52:46,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 23:52:46,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-04 23:52:46,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 23:52:46,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 23:52:46,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 23:52:46,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 23:52:46,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 23:52:46,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 23:52:46,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 23:52:46,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 23:52:46,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 23:52:46,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 23:52:46,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 23:52:46,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 23:52:46,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:52:46,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 23:52:46,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 23:52:46,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 23:52:46,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-04 23:52:46,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-04 23:52:46,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 23:52:46,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 23:52:46,943 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d14c90708f35eac31ae5d9fda6b5469e825b2252 [2021-07-04 23:52:47,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 23:52:47,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 23:52:47,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 23:52:47,200 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 23:52:47,201 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 23:52:47,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2021-07-04 23:52:47,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da8b09f6/0018f18a543c48f891bb8d7f4d5e87be/FLAG79bf3913d [2021-07-04 23:52:47,560 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 23:52:47,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2021-07-04 23:52:47,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da8b09f6/0018f18a543c48f891bb8d7f4d5e87be/FLAG79bf3913d [2021-07-04 23:52:48,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da8b09f6/0018f18a543c48f891bb8d7f4d5e87be [2021-07-04 23:52:48,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 23:52:48,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 23:52:48,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 23:52:48,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 23:52:48,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 23:52:48,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611fbf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48, skipping insertion in model container [2021-07-04 23:52:48,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 23:52:48,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 23:52:48,150 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2021-07-04 23:52:48,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:52:48,164 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 23:52:48,173 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2021-07-04 23:52:48,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:52:48,187 INFO L208 MainTranslator]: Completed translation [2021-07-04 23:52:48,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48 WrapperNode [2021-07-04 23:52:48,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 23:52:48,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 23:52:48,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 23:52:48,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 23:52:48,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 23:52:48,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 23:52:48,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 23:52:48,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 23:52:48,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 23:52:48,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 23:52:48,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 23:52:48,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 23:52:48,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (1/1) ... [2021-07-04 23:52:48,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:52:48,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 23:52:48,284 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) [2021-07-04 23:52:48,304 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 [2021-07-04 23:52:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-04 23:52:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 23:52:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 23:52:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 23:52:48,496 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 23:52:48,497 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-04 23:52:48,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:52:48 BoogieIcfgContainer [2021-07-04 23:52:48,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 23:52:48,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 23:52:48,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 23:52:48,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 23:52:48,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 11:52:48" (1/3) ... [2021-07-04 23:52:48,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ad0fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:52:48, skipping insertion in model container [2021-07-04 23:52:48,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:48" (2/3) ... [2021-07-04 23:52:48,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ad0fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:52:48, skipping insertion in model container [2021-07-04 23:52:48,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:52:48" (3/3) ... [2021-07-04 23:52:48,505 INFO L111 eAbstractionObserver]: Analyzing ICFG Double_div.i [2021-07-04 23:52:48,510 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 23:52:48,510 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 23:52:48,546 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 23:52:48,553 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 23:52:48,553 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 23:52:48,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-07-04 23:52:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-04 23:52:48,570 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:52:48,571 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-04 23:52:48,572 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:52:48,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:52:48,576 INFO L82 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2021-07-04 23:52:48,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 23:52:48,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900639373] [2021-07-04 23:52:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:52:48,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 23:52:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 23:52:48,660 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 23:52:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 23:52:48,684 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 23:52:48,706 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-04 23:52:48,708 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-04 23:52:48,710 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-04 23:52:48,710 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 23:52:48,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 11:52:48 BoogieIcfgContainer [2021-07-04 23:52:48,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 23:52:48,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 23:52:48,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 23:52:48,728 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 23:52:48,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:52:48" (3/4) ... [2021-07-04 23:52:48,730 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-04 23:52:48,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 23:52:48,733 INFO L168 Benchmark]: Toolchain (without parser) took 721.49 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.0 MB in the beginning and 36.6 MB in the end (delta: -7.6 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-07-04 23:52:48,734 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 33.7 MB in the beginning and 33.6 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:52:48,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.06 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.8 MB in the beginning and 41.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-07-04 23:52:48,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.83 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 46.4 MB in the end (delta: -5.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 23:52:48,735 INFO L168 Benchmark]: Boogie Preprocessor took 19.05 ms. Allocated memory is still 62.9 MB. Free memory was 46.4 MB in the beginning and 45.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:52:48,736 INFO L168 Benchmark]: RCFGBuilder took 241.12 ms. Allocated memory is still 62.9 MB. Free memory was 45.3 MB in the beginning and 34.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-07-04 23:52:48,739 INFO L168 Benchmark]: TraceAbstraction took 226.16 ms. Allocated memory is still 62.9 MB. Free memory was 34.3 MB in the beginning and 37.0 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:52:48,740 INFO L168 Benchmark]: Witness Printer took 3.26 ms. Allocated memory is still 62.9 MB. Free memory was 37.0 MB in the beginning and 36.6 MB in the end (delta: 451.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:52:48,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 33.7 MB in the beginning and 33.6 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 176.06 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.8 MB in the beginning and 41.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.83 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 46.4 MB in the end (delta: -5.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.05 ms. Allocated memory is still 62.9 MB. Free memory was 46.4 MB in the beginning and 45.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 241.12 ms. Allocated memory is still 62.9 MB. Free memory was 45.3 MB in the beginning and 34.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 226.16 ms. Allocated memory is still 62.9 MB. Free memory was 34.3 MB in the beginning and 37.0 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.26 ms. Allocated memory is still 62.9 MB. Free memory was 37.0 MB in the beginning and 36.6 MB in the end (delta: 451.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 29, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21. Possible FailurePath: [L20] double x = 1.0; [L21] double x1 = x/2.5; [L23] COND FALSE !(x1 != x) [L13] COND TRUE !(cond) [L13] reach_error() - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 168.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 5.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.5ms SsaConstructionTime, 25.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2021-07-04 23:52:48,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 23:52:50,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 23:52:50,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 23:52:50,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 23:52:50,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 23:52:50,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 23:52:50,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 23:52:50,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 23:52:50,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 23:52:50,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 23:52:50,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 23:52:50,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 23:52:50,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 23:52:50,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 23:52:50,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 23:52:50,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 23:52:50,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 23:52:50,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 23:52:50,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 23:52:50,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 23:52:50,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 23:52:50,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 23:52:50,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 23:52:50,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 23:52:50,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 23:52:50,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 23:52:50,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 23:52:50,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 23:52:50,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 23:52:50,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 23:52:50,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 23:52:50,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 23:52:50,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 23:52:50,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 23:52:50,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 23:52:50,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 23:52:50,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 23:52:50,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 23:52:50,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 23:52:50,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 23:52:50,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 23:52:50,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-04 23:52:50,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 23:52:50,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 23:52:50,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 23:52:50,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 23:52:50,347 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 23:52:50,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 23:52:50,347 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 23:52:50,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 23:52:50,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 23:52:50,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 23:52:50,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 23:52:50,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 23:52:50,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-04 23:52:50,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-04 23:52:50,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 23:52:50,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 23:52:50,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 23:52:50,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 23:52:50,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 23:52:50,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 23:52:50,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 23:52:50,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:52:50,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 23:52:50,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 23:52:50,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 23:52:50,350 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-04 23:52:50,350 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-04 23:52:50,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 23:52:50,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 23:52:50,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-04 23:52:50,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d14c90708f35eac31ae5d9fda6b5469e825b2252 [2021-07-04 23:52:50,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 23:52:50,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 23:52:50,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 23:52:50,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 23:52:50,620 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 23:52:50,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2021-07-04 23:52:50,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ed6e678a/9a5ab89688e54697abb450d322bf0ceb/FLAG727837102 [2021-07-04 23:52:51,032 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 23:52:51,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2021-07-04 23:52:51,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ed6e678a/9a5ab89688e54697abb450d322bf0ceb/FLAG727837102 [2021-07-04 23:52:51,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ed6e678a/9a5ab89688e54697abb450d322bf0ceb [2021-07-04 23:52:51,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 23:52:51,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 23:52:51,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 23:52:51,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 23:52:51,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 23:52:51,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd4df1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51, skipping insertion in model container [2021-07-04 23:52:51,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 23:52:51,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 23:52:51,579 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2021-07-04 23:52:51,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:52:51,596 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 23:52:51,604 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2021-07-04 23:52:51,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:52:51,615 INFO L208 MainTranslator]: Completed translation [2021-07-04 23:52:51,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51 WrapperNode [2021-07-04 23:52:51,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 23:52:51,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 23:52:51,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 23:52:51,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 23:52:51,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 23:52:51,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 23:52:51,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 23:52:51,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 23:52:51,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 23:52:51,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 23:52:51,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 23:52:51,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 23:52:51,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (1/1) ... [2021-07-04 23:52:51,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:52:51,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 23:52:51,706 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) [2021-07-04 23:52:51,734 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 [2021-07-04 23:52:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-04 23:52:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 23:52:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 23:52:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 23:52:53,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 23:52:53,495 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-04 23:52:53,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:52:53 BoogieIcfgContainer [2021-07-04 23:52:53,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 23:52:53,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 23:52:53,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 23:52:53,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 23:52:53,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 11:52:51" (1/3) ... [2021-07-04 23:52:53,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d933a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:52:53, skipping insertion in model container [2021-07-04 23:52:53,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:52:51" (2/3) ... [2021-07-04 23:52:53,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d933a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:52:53, skipping insertion in model container [2021-07-04 23:52:53,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:52:53" (3/3) ... [2021-07-04 23:52:53,501 INFO L111 eAbstractionObserver]: Analyzing ICFG Double_div.i [2021-07-04 23:52:53,505 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 23:52:53,506 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 23:52:53,532 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 23:52:53,536 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 23:52:53,536 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 23:52:53,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-07-04 23:52:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-04 23:52:53,547 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:52:53,547 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-04 23:52:53,548 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:52:53,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:52:53,552 INFO L82 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2021-07-04 23:52:53,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 23:52:53,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702590634] [2021-07-04 23:52:53,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:52:53,560 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 23:52:53,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 23:52:53,562 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) [2021-07-04 23:52:53,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-07-04 23:52:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 23:52:53,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-04 23:52:53,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 23:52:53,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:53,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:52:53,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:53,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:52:53,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:53,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:52:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:52:53,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-04 23:52:53,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:52:53,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:52:53,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:53,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:52:55,905 WARN L860 $PredicateComparison]: unable to prove that (and (= c_ULTIMATE.start_main_~x1~0 (fp.div roundNearestTiesToEven c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) c_ULTIMATE.start_main_~x~0)) is different from true [2021-07-04 23:52:55,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-04 23:52:55,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-04 23:52:55,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-04 23:52:55,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-04 23:52:55,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 23:52:55,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-04 23:52:55,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:52:55,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:52:55,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:52:55,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:52:55,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:52:55,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:52:55,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-04 23:52:55,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-04 23:52:55,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:52:55,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-04 23:52:55,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-04 23:52:55,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-04 23:52:55,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:52:55,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-04 23:52:55,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 23:52:55,991 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 23:52:55,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702590634] [2021-07-04 23:52:55,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702590634] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-04 23:52:55,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-04 23:52:55,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-07-04 23:52:55,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158788543] [2021-07-04 23:52:55,996 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-04 23:52:55,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-04 23:52:56,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-04 23:52:56,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2021-07-04 23:52:56,006 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-07-04 23:53:04,146 WARN L205 SmtUtils]: Spent 7.34 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2021-07-04 23:53:07,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 23:53:07,420 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2021-07-04 23:53:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-04 23:53:07,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 6 [2021-07-04 23:53:07,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 23:53:07,426 INFO L225 Difference]: With dead ends: 21 [2021-07-04 23:53:07,426 INFO L226 Difference]: Without dead ends: 9 [2021-07-04 23:53:07,428 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9789.6ms TimeCoverageRelationStatistics Valid=16, Invalid=17, Unknown=1, NotChecked=8, Total=42 [2021-07-04 23:53:07,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-07-04 23:53:07,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-07-04 23:53:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-07-04 23:53:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-07-04 23:53:07,446 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2021-07-04 23:53:07,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 23:53:07,446 INFO L442 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-07-04 23:53:07,447 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-07-04 23:53:07,447 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-07-04 23:53:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-07-04 23:53:07,447 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:53:07,447 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-07-04 23:53:07,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-07-04 23:53:07,648 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-04 23:53:07,648 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:53:07,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:53:07,649 INFO L82 PathProgramCache]: Analyzing trace with hash 292915403, now seen corresponding path program 1 times [2021-07-04 23:53:07,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 23:53:07,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926179713] [2021-07-04 23:53:07,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:53:07,649 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 23:53:07,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 23:53:07,651 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) [2021-07-04 23:53:07,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-07-04 23:53:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 23:53:08,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-04 23:53:08,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 23:53:08,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:53:08,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:53:08,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:53:08,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:53:08,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-04 23:53:08,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:53:08,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:53:08,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:53:08,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-04 23:53:08,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:08,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:08,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:08,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:10,244 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_main_~x1~0 (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0)))) is different from true [2021-07-04 23:53:10,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:10,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-04 23:53:10,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:10,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:10,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:10,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:10,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:10,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:20,652 WARN L205 SmtUtils]: Spent 6.14 s on a formula simplification that was a NOOP. DAG size: 13 [2021-07-04 23:53:20,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-04 23:53:20,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-04 23:53:20,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-04 23:53:20,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-04 23:53:20,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2021-07-04 23:53:20,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-04 23:53:20,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:20,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:53:20,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:53:20,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:53:20,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:53:20,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:20,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:53:20,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:20,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:20,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:53:20,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:20,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:53:20,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:20,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:53:22,837 WARN L838 $PredicateComparison]: unable to prove that (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x1~0)) is different from false [2021-07-04 23:53:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:23,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:23,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:23,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-04 23:53:23,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:23,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:23,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:23,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:23,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-04 23:53:23,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:23,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:23,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:23,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:23,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:25,610 WARN L838 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse1))) (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))) is different from false [2021-07-04 23:53:27,835 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse1))) (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))) is different from true [2021-07-04 23:53:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:27,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:27,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-04 23:53:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-04 23:53:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:27,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-04 23:53:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-04 23:53:27,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-04 23:53:27,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-04 23:53:30,078 WARN L838 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1) .cse1))) (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))) is different from false [2021-07-04 23:53:32,323 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1) .cse1))) (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))) is different from true [2021-07-04 23:53:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2021-07-04 23:53:32,323 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 23:53:32,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926179713] [2021-07-04 23:53:32,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926179713] provided 0 perfect and 2 imperfect interpolant sequences [2021-07-04 23:53:32,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-04 23:53:32,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-07-04 23:53:32,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919989717] [2021-07-04 23:53:32,325 INFO L425 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-04 23:53:32,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-04 23:53:32,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-04 23:53:32,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=19, Unknown=8, NotChecked=44, Total=90 [2021-07-04 23:53:32,326 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-07-04 23:53:34,583 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1) .cse1))) (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0))))) is different from true [2021-07-04 23:53:36,827 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_main_~x1~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0)) (not (let ((.cse1 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse0))) (fp.eq (fp.div c_currentRoundingMode .cse1 .cse0) .cse1))))) is different from true [2021-07-04 23:53:39,076 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_main_~x1~0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0)) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse0) c_ULTIMATE.start_main_~x1~0)))) is different from true [2021-07-04 23:53:41,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 23:53:41,862 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2021-07-04 23:53:41,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-04 23:53:41,863 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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 8 [2021-07-04 23:53:41,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 23:53:41,863 INFO L225 Difference]: With dead ends: 15 [2021-07-04 23:53:41,863 INFO L226 Difference]: Without dead ends: 11 [2021-07-04 23:53:41,864 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30908.7ms TimeCoverageRelationStatistics Valid=25, Invalid=22, Unknown=11, NotChecked=98, Total=156 [2021-07-04 23:53:41,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-07-04 23:53:41,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-07-04 23:53:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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) [2021-07-04 23:53:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-07-04 23:53:41,865 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2021-07-04 23:53:41,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 23:53:41,866 INFO L442 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-07-04 23:53:41,866 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-07-04 23:53:41,866 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-07-04 23:53:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-04 23:53:41,866 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:53:41,866 INFO L525 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2021-07-04 23:53:41,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-07-04 23:53:42,067 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-04 23:53:42,067 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:53:42,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:53:42,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1922847381, now seen corresponding path program 2 times [2021-07-04 23:53:42,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 23:53:42,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218831393] [2021-07-04 23:53:42,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-04 23:53:42,068 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 23:53:42,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 23:53:42,069 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) [2021-07-04 23:53:42,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-07-04 23:53:42,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-04 23:53:42,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-04 23:53:42,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-04 23:53:42,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 23:53:42,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:53:42,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:53:42,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:53:42,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:53:42,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-04 23:53:42,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:53:42,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:53:42,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:53:42,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-04 23:53:42,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:42,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:42,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:42,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:53:45,039 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_main_~x1~0 (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0)))) is different from true [2021-07-04 23:53:45,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:45,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-04 23:53:45,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:45,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:45,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:45,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:48,032 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_main_~x1~0 (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0) .cse0)))) is different from true [2021-07-04 23:53:48,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:48,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-04 23:53:48,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:48,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-04 23:53:48,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:48,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-04 23:53:48,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:48,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-04 23:53:50,794 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0) .cse0) .cse0)) c_ULTIMATE.start_main_~x1~0)) is different from true [2021-07-04 23:53:50,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:50,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-04 23:53:50,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:50,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-04 23:53:50,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:50,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-04 23:53:50,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:50,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-04 23:53:54,238 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= c_currentRoundingMode roundNearestTiesToEven) (= (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0) .cse0) .cse0) c_ULTIMATE.start_main_~x~0) (= (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 .cse0) c_ULTIMATE.start_main_~x1~0))) is different from true [2021-07-04 23:53:54,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-04 23:53:54,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-04 23:53:54,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-04 23:53:54,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-04 23:53:54,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2021-07-04 23:53:54,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-04 23:53:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:53:54,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:53:54,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:53:54,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:53:54,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:53:54,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:54,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-04 23:53:54,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-04 23:53:54,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:54,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-04 23:53:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-04 23:53:54,332 INFO L142 QuantifierPusher]: treesize reduction 17, result has 39.3 percent of original size [2021-07-04 23:53:54,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-04 23:53:54,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-04 23:53:54,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-04 23:53:54,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-04 23:53:54,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-04 23:53:54,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-04 23:53:54,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:54,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-04 23:53:54,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:54,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:54,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-04 23:53:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-04 23:53:54,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-04 23:53:54,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-04 23:53:56,684 WARN L838 $PredicateComparison]: unable to prove that (or (fp.eq c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x1~0))) is different from false [2021-07-04 23:53:58,805 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x1~0))) is different from true [2021-07-04 23:53:58,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:58,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:58,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:58,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-04 23:53:58,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-04 23:53:58,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:58,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:53:58,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:58,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-04 23:53:58,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-04 23:53:58,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:58,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-04 23:53:58,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:53:58,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-04 23:54:01,083 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse1))) (or (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0))))) is different from false [2021-07-04 23:54:03,327 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse1))) (or (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0))))) is different from true [2021-07-04 23:54:03,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:03,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:54:03,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:03,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-04 23:54:03,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-04 23:54:03,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:03,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:54:03,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:03,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-04 23:54:03,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-04 23:54:03,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:03,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-04 23:54:03,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:03,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-04 23:54:05,739 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse1) .cse1))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from false [2021-07-04 23:54:08,110 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse1) .cse1))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from true [2021-07-04 23:54:08,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:08,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:54:08,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:08,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-04 23:54:08,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-04 23:54:08,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:08,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:54:08,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:08,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-04 23:54:08,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-04 23:54:08,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:08,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-04 23:54:08,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:08,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-04 23:54:10,678 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse1) .cse1) .cse1))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from false [2021-07-04 23:54:13,246 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse1) .cse1) .cse1))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) is different from true [2021-07-04 23:54:13,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:13,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:54:13,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:13,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-07-04 23:54:13,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-04 23:54:13,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:13,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:54:13,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:13,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-07-04 23:54:13,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-04 23:54:13,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:13,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-04 23:54:13,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:54:13,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-04 23:54:15,742 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1) .cse1) .cse1) .cse1))) (or (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0))))) is different from false [2021-07-04 23:54:18,217 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1) .cse1) .cse1) .cse1))) (or (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0))))) is different from true [2021-07-04 23:54:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2021-07-04 23:54:18,218 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 23:54:18,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218831393] [2021-07-04 23:54:18,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218831393] provided 0 perfect and 2 imperfect interpolant sequences [2021-07-04 23:54:18,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-04 23:54:18,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 15 [2021-07-04 23:54:18,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767257627] [2021-07-04 23:54:18,219 INFO L425 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-04 23:54:18,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-04 23:54:18,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-04 23:54:18,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=33, Unknown=14, NotChecked=162, Total=240 [2021-07-04 23:54:18,220 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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) [2021-07-04 23:54:20,787 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1) .cse1) .cse1) .cse1))) (or (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-07-04 23:54:23,407 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_main_~x1~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0)) (let ((.cse1 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse0) .cse0) .cse0))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse1 .cse0) .cse1)) (fp.eq .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from true [2021-07-04 23:54:26,045 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_main_~x1~0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0)) (let ((.cse1 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse0) .cse0))) (or (not (fp.eq (fp.div c_currentRoundingMode .cse1 .cse0) .cse1)) (fp.eq .cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from true [2021-07-04 23:54:28,297 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse1))) (or (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))) (= c_ULTIMATE.start_main_~x1~0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse1) .cse1) .cse1)))) is different from true [2021-07-04 23:54:30,687 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (= c_currentRoundingMode roundNearestTiesToEven) (= (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) .cse0) .cse0) .cse0) .cse0) c_ULTIMATE.start_main_~x1~0) (or (fp.eq c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse0) c_ULTIMATE.start_main_~x1~0))))) is different from true [2021-07-04 23:54:58,475 WARN L205 SmtUtils]: Spent 22.01 s on a formula simplification that was a NOOP. DAG size: 23 [2021-07-04 23:55:02,014 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-07-04 23:55:07,026 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-07-04 23:55:07,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 23:55:07,127 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-07-04 23:55:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-04 23:55:07,128 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 10 [2021-07-04 23:55:07,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 23:55:07,128 INFO L225 Difference]: With dead ends: 19 [2021-07-04 23:55:07,128 INFO L226 Difference]: Without dead ends: 13 [2021-07-04 23:55:07,129 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 14 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 80449.5ms TimeCoverageRelationStatistics Valid=64, Invalid=80, Unknown=22, NotChecked=434, Total=600 [2021-07-04 23:55:07,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-07-04 23:55:07,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-07-04 23:55:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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) [2021-07-04 23:55:07,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-07-04 23:55:07,131 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2021-07-04 23:55:07,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 23:55:07,131 INFO L442 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-07-04 23:55:07,131 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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) [2021-07-04 23:55:07,131 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-07-04 23:55:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-07-04 23:55:07,132 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:55:07,132 INFO L525 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1] [2021-07-04 23:55:07,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-07-04 23:55:07,336 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-04 23:55:07,337 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:55:07,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:55:07,337 INFO L82 PathProgramCache]: Analyzing trace with hash -967103989, now seen corresponding path program 3 times [2021-07-04 23:55:07,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 23:55:07,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711082562] [2021-07-04 23:55:07,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-07-04 23:55:07,338 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 23:55:07,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 23:55:07,339 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) [2021-07-04 23:55:07,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-07-04 23:55:08,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-04 23:55:08,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-04 23:55:08,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-04 23:55:08,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 23:55:08,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 23:55:08,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-04 23:55:08,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-04 23:55:08,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-04 23:55:08,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:08,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-04 23:55:10,966 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (= (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x1~0)) is different from true [2021-07-04 23:55:10,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:10,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:10,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-04 23:55:10,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:10,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:10,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-04 23:55:10,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:10,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:10,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-04 23:55:10,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:10,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:10,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-04 23:55:10,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:10,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:10,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:10,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-04 23:55:13,231 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_17 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))))) (and (= c_ULTIMATE.start_main_~x~0 .cse0) (not (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_17))))) (= (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x1~0)) is different from false [2021-07-04 23:55:15,349 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_17 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))))) (and (= c_ULTIMATE.start_main_~x~0 .cse0) (not (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_17))))) (= (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x1~0)) is different from true [2021-07-04 23:55:15,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:15,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:15,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-04 23:55:15,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:15,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:15,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-04 23:55:15,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:15,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:15,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-04 23:55:15,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:15,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:15,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-04 23:55:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:15,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:15,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:15,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-04 23:55:17,615 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x~0) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_17 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))))) (and (= c_ULTIMATE.start_main_~x~0 .cse0) (not (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_17)))))) is different from false [2021-07-04 23:55:19,741 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x~0) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_17 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))))) (and (= c_ULTIMATE.start_main_~x~0 .cse0) (not (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_17)))))) is different from true [2021-07-04 23:55:19,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:19,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:19,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:19,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:19,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-04 23:55:19,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:19,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:19,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:19,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-04 23:55:19,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-04 23:55:19,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:19,751 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-04 23:55:19,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:55:19,771 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:19,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:19,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:22,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:22,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:22,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:24,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:24,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:24,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:24,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-07-04 23:55:24,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:24,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:24,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-04 23:55:24,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-04 23:55:28,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:28,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:28,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:28,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:28,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:28,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:28,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:28,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-07-04 23:55:28,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:28,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:28,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:28,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:28,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:28,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:28,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:28,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-07-04 23:55:31,307 WARN L838 $PredicateComparison]: unable to prove that (or (and (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (let ((.cse0 (fp.div roundNearestTiesToEven v_ULTIMATE.start_main_~x~0_17 .cse1))) (and (not (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_17)) (not (fp.eq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.div roundNearestTiesToEven .cse0 .cse1) .cse0))))) (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) (and (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (let ((.cse2 (fp.div roundNearestTiesToEven v_ULTIMATE.start_main_~x~0_17 .cse3))) (and (not (fp.eq .cse2 v_ULTIMATE.start_main_~x~0_17)) (fp.eq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.eq (fp.div roundNearestTiesToEven .cse2 .cse3) .cse2))))))) is different from false [2021-07-04 23:55:31,337 INFO L142 QuantifierPusher]: treesize reduction 48, result has 47.8 percent of original size [2021-07-04 23:55:31,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:31,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:31,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:31,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-04 23:55:31,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:31,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:31,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:31,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:31,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-04 23:55:31,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:33,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:33,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:33,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:33,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-04 23:55:35,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:35,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:35,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:35,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:35,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-04 23:55:35,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:35,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:35,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:35,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:35,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-04 23:55:38,093 WARN L838 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (let ((.cse0 (fp.div roundNearestTiesToEven v_ULTIMATE.start_main_~x~0_17 .cse1))) (and (not (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_17)) (not (fp.eq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.div roundNearestTiesToEven .cse0 .cse1) .cse0))))) is different from false [2021-07-04 23:55:40,280 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (let ((.cse0 (fp.div roundNearestTiesToEven v_ULTIMATE.start_main_~x~0_17 .cse1))) (and (not (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_17)) (not (fp.eq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.div roundNearestTiesToEven .cse0 .cse1) .cse0))))) is different from true [2021-07-04 23:55:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 11 not checked. [2021-07-04 23:55:40,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-04 23:55:40,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:55:40,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:55:40,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:55:40,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:55:40,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:55:40,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:55:40,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:55:40,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:55:40,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-04 23:55:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-04 23:55:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-04 23:55:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-04 23:55:40,383 INFO L142 QuantifierPusher]: treesize reduction 17, result has 39.3 percent of original size [2021-07-04 23:55:40,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-04 23:55:40,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-04 23:55:40,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-04 23:55:40,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-04 23:55:40,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-04 23:55:40,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-04 23:55:40,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:40,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-04 23:55:40,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-04 23:55:40,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:40,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-04 23:55:40,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-04 23:55:40,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:40,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:40,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:55:42,840 WARN L838 $PredicateComparison]: unable to prove that (or (fp.eq c_ULTIMATE.start_main_~x1~0 c_ULTIMATE.start_main_~x~0) (fp.eq c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x1~0))) is different from false [2021-07-04 23:55:44,968 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq c_ULTIMATE.start_main_~x1~0 c_ULTIMATE.start_main_~x~0) (fp.eq c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x1~0))) is different from true [2021-07-04 23:55:44,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:44,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:44,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:44,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:44,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:44,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:44,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:44,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:44,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:44,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:44,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:44,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:44,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:44,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:44,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:44,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:47,160 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~x~0_19 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_19 .cse1))) (or (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_19) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))))) is different from false [2021-07-04 23:55:49,397 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~x~0_19 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_19 .cse1))) (or (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_19) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))))) is different from true [2021-07-04 23:55:49,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:55:49,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:55:49,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-04 23:55:49,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-04 23:55:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 11 not checked. [2021-07-04 23:55:49,441 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 23:55:49,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711082562] [2021-07-04 23:55:49,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711082562] provided 0 perfect and 2 imperfect interpolant sequences [2021-07-04 23:55:49,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-04 23:55:49,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-07-04 23:55:49,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590648746] [2021-07-04 23:55:49,442 INFO L425 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-04 23:55:49,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-04 23:55:49,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-04 23:55:49,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=22, Unknown=12, NotChecked=98, Total=156 [2021-07-04 23:55:49,443 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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) [2021-07-04 23:55:51,665 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_19 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_19 .cse1))) (or (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_19) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-07-04 23:55:53,910 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_19 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_19 .cse1))) (or (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_19) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-07-04 23:55:56,426 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (forall ((v_ULTIMATE.start_main_~x~0_19 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_19 .cse1))) (or (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_19) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven) (or (fp.eq c_ULTIMATE.start_main_~x1~0 c_ULTIMATE.start_main_~x~0) (fp.eq c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse2) c_ULTIMATE.start_main_~x1~0))) (= (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 .cse2) c_ULTIMATE.start_main_~x1~0))) is different from false [2021-07-04 23:55:58,816 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (forall ((v_ULTIMATE.start_main_~x~0_19 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_19 .cse1))) (or (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_19) (fp.eq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse0 .cse1) .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven) (or (fp.eq c_ULTIMATE.start_main_~x1~0 c_ULTIMATE.start_main_~x~0) (fp.eq c_ULTIMATE.start_main_~x1~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse2) c_ULTIMATE.start_main_~x1~0))) (= (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 .cse2) c_ULTIMATE.start_main_~x1~0))) is different from true [2021-07-04 23:56:01,407 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.eq c_ULTIMATE.start_main_~x1~0 c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (or (not .cse0) (fp.eq c_ULTIMATE.start_main_~x~0 .cse1)) (forall ((v_ULTIMATE.start_main_~x~0_19 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse2 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_19 .cse3))) (or (fp.eq .cse2 v_ULTIMATE.start_main_~x~0_19) (fp.eq .cse2 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse2 .cse3) .cse2)))))) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse0 (fp.eq c_ULTIMATE.start_main_~x1~0 .cse1) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse4) c_ULTIMATE.start_main_~x1~0))) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse5 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_17 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))))) (and (= c_ULTIMATE.start_main_~x~0 .cse5) (not (fp.eq .cse5 v_ULTIMATE.start_main_~x~0_17))))) (= (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 .cse4) c_ULTIMATE.start_main_~x1~0))) is different from false [2021-07-04 23:56:03,783 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.eq c_ULTIMATE.start_main_~x1~0 c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (and (or (not .cse0) (fp.eq c_ULTIMATE.start_main_~x~0 .cse1)) (forall ((v_ULTIMATE.start_main_~x~0_19 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0)))) (let ((.cse2 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_19 .cse3))) (or (fp.eq .cse2 v_ULTIMATE.start_main_~x~0_19) (fp.eq .cse2 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.eq (fp.div c_currentRoundingMode .cse2 .cse3) .cse2)))))) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse0 (fp.eq c_ULTIMATE.start_main_~x1~0 .cse1) (not (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x1~0 .cse4) c_ULTIMATE.start_main_~x1~0))) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse5 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_17 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))))) (and (= c_ULTIMATE.start_main_~x~0 .cse5) (not (fp.eq .cse5 v_ULTIMATE.start_main_~x~0_17))))) (= (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 .cse4) c_ULTIMATE.start_main_~x1~0))) is different from true [2021-07-04 23:56:06,034 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x~0) (fp.eq c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_17 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))))) (and (= c_ULTIMATE.start_main_~x~0 .cse0) (not (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_17)))))) is different from false [2021-07-04 23:56:08,162 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))) c_ULTIMATE.start_main_~x~0) (fp.eq c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_17 ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 2.0))))) (and (= c_ULTIMATE.start_main_~x~0 .cse0) (not (fp.eq .cse0 v_ULTIMATE.start_main_~x~0_17)))))) is different from true [2021-07-04 23:56:10,414 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (and (not .cse0) (or (and (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (let ((.cse1 (fp.div roundNearestTiesToEven v_ULTIMATE.start_main_~x~0_17 .cse2))) (and (not (fp.eq .cse1 v_ULTIMATE.start_main_~x~0_17)) (not (fp.eq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.div roundNearestTiesToEven .cse1 .cse2) .cse1))))) .cse0) (and (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (exists ((v_ULTIMATE.start_main_~x~0_17 (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)))) (let ((.cse3 (fp.div roundNearestTiesToEven v_ULTIMATE.start_main_~x~0_17 .cse4))) (and (not (fp.eq .cse3 v_ULTIMATE.start_main_~x~0_17)) (fp.eq .cse3 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.eq (fp.div roundNearestTiesToEven .cse3 .cse4) .cse3))))))))) is different from false [2021-07-04 23:56:10,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 23:56:10,437 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2021-07-04 23:56:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-04 23:56:10,437 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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 [2021-07-04 23:56:10,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 23:56:10,437 INFO L225 Difference]: With dead ends: 13 [2021-07-04 23:56:10,437 INFO L226 Difference]: Without dead ends: 0 [2021-07-04 23:56:10,438 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48539.9ms TimeCoverageRelationStatistics Valid=34, Invalid=23, Unknown=21, NotChecked=228, Total=306 [2021-07-04 23:56:10,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-04 23:56:10,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-04 23:56:10,438 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) [2021-07-04 23:56:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-04 23:56:10,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-07-04 23:56:10,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 23:56:10,438 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-04 23:56:10,438 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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) [2021-07-04 23:56:10,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-04 23:56:10,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-04 23:56:10,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-04 23:56:10,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:56:10,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:56:10,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:56:22,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-07-04 23:56:22,850 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-04 23:56:22,851 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 7027 column 7: canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1454) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:235) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:53) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:393) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:238) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter(HoareAnnotationComposer.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.(HoareAnnotationComposer.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeIcfgHoareAnnotation(BasicCegarLoop.java:1189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop$CegarLoopResultBuilder.getResult(AbstractCegarLoop.java:736) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-04 23:56:22,852 INFO L168 Benchmark]: Toolchain (without parser) took 211390.49 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 46.2 MB in the beginning and 63.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2021-07-04 23:56:22,853 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 65.0 MB. Free memory was 47.1 MB in the beginning and 47.0 MB in the end (delta: 64.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:56:22,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.35 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 36.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-07-04 23:56:22,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.96 ms. Allocated memory is still 65.0 MB. Free memory was 36.2 MB in the beginning and 48.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-04 23:56:22,853 INFO L168 Benchmark]: Boogie Preprocessor took 14.88 ms. Allocated memory is still 65.0 MB. Free memory was 48.6 MB in the beginning and 47.7 MB in the end (delta: 924.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:56:22,853 INFO L168 Benchmark]: RCFGBuilder took 1814.55 ms. Allocated memory is still 65.0 MB. Free memory was 47.4 MB in the beginning and 36.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-04 23:56:22,853 INFO L168 Benchmark]: TraceAbstraction took 209355.10 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 36.1 MB in the beginning and 63.0 MB in the end (delta: -26.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:56:22,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 65.0 MB. Free memory was 47.1 MB in the beginning and 47.0 MB in the end (delta: 64.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 152.35 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 36.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.96 ms. Allocated memory is still 65.0 MB. Free memory was 36.2 MB in the beginning and 48.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 14.88 ms. Allocated memory is still 65.0 MB. Free memory was 48.6 MB in the beginning and 47.7 MB in the end (delta: 924.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1814.55 ms. Allocated memory is still 65.0 MB. Free memory was 47.4 MB in the beginning and 36.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 209355.10 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 36.1 MB in the beginning and 63.0 MB in the end (delta: -26.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 7027 column 7: canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 7027 column 7: canceled: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1454) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-07-04 23:56:23,057 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-07-04 23:56:23,182 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 137 Received shutdown request...