./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 88b5e43d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 14286cb21d81f224a2bc0c145c98a5c3f3fcd807 ............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 14286cb21d81f224a2bc0c145c98a5c3f3fcd807 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-88b5e43 [2020-11-23 23:53:43,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 23:53:43,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 23:53:43,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 23:53:43,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 23:53:43,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 23:53:43,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 23:53:43,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 23:53:43,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 23:53:43,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 23:53:43,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 23:53:43,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 23:53:43,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 23:53:43,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 23:53:43,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 23:53:43,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 23:53:43,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 23:53:43,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 23:53:43,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 23:53:43,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 23:53:43,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 23:53:43,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 23:53:43,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 23:53:43,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 23:53:43,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 23:53:43,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 23:53:43,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 23:53:43,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 23:53:43,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 23:53:43,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 23:53:43,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 23:53:43,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 23:53:43,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 23:53:43,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 23:53:43,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 23:53:43,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 23:53:43,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 23:53:43,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 23:53:43,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 23:53:43,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 23:53:43,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 23:53:43,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-23 23:53:43,429 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 23:53:43,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 23:53:43,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 23:53:43,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 23:53:43,435 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 23:53:43,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 23:53:43,435 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 23:53:43,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-23 23:53:43,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 23:53:43,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 23:53:43,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 23:53:43,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 23:53:43,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 23:53:43,439 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 23:53:43,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 23:53:43,439 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 23:53:43,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 23:53:43,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 23:53:43,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 23:53:43,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 23:53:43,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 23:53:43,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:53:43,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 23:53:43,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 23:53:43,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 23:53:43,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-23 23:53:43,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-23 23:53:43,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 23:53:43,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 23:53:43,445 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14286cb21d81f224a2bc0c145c98a5c3f3fcd807 [2020-11-23 23:53:43,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 23:53:44,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 23:53:44,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 23:53:44,009 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 23:53:44,011 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 23:53:44,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2020-11-23 23:53:44,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ef010c38/bf1f1e2af6cd4e16b37f2dcc49f20063/FLAGf9266be38 [2020-11-23 23:53:44,871 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 23:53:44,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2020-11-23 23:53:44,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ef010c38/bf1f1e2af6cd4e16b37f2dcc49f20063/FLAGf9266be38 [2020-11-23 23:53:45,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ef010c38/bf1f1e2af6cd4e16b37f2dcc49f20063 [2020-11-23 23:53:45,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 23:53:45,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 23:53:45,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 23:53:45,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 23:53:45,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 23:53:45,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e54cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45, skipping insertion in model container [2020-11-23 23:53:45,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,272 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 23:53:45,295 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-11-23 23:53:45,613 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:53:45,628 INFO L212 MainTranslator]: Completed pre-run [2020-11-23 23:53:45,649 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:53:45,674 INFO L217 MainTranslator]: Completed translation [2020-11-23 23:53:45,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45 WrapperNode [2020-11-23 23:53:45,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 23:53:45,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 23:53:45,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 23:53:45,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 23:53:45,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 23:53:45,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 23:53:45,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 23:53:45,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 23:53:45,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... [2020-11-23 23:53:45,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 23:53:45,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 23:53:45,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 23:53:45,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 23:53:45,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:53:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 23:53:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 23:53:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-23 23:53:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 23:53:46,288 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 23:53:46,288 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-23 23:53:46,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:46 BoogieIcfgContainer [2020-11-23 23:53:46,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 23:53:46,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 23:53:46,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 23:53:46,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 23:53:46,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:53:45" (1/3) ... [2020-11-23 23:53:46,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82c17fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:53:46, skipping insertion in model container [2020-11-23 23:53:46,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:45" (2/3) ... [2020-11-23 23:53:46,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82c17fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:53:46, skipping insertion in model container [2020-11-23 23:53:46,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:46" (3/3) ... [2020-11-23 23:53:46,322 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div_bad.i.p+cfa-reducer.c [2020-11-23 23:53:46,356 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 23:53:46,371 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 23:53:46,413 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 23:53:46,488 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 23:53:46,490 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 23:53:46,491 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 23:53:46,491 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 23:53:46,491 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 23:53:46,491 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 23:53:46,492 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 23:53:46,492 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 23:53:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-23 23:53:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-23 23:53:46,535 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:53:46,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-23 23:53:46,536 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:53:46,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:53:46,553 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-11-23 23:53:46,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 23:53:46,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483949942] [2020-11-23 23:53:46,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 23:53:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 23:53:46,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 23:53:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 23:53:46,828 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 23:53:46,866 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-23 23:53:46,867 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-23 23:53:46,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-23 23:53:46,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:53:46 BoogieIcfgContainer [2020-11-23 23:53:46,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 23:53:46,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 23:53:46,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 23:53:46,923 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 23:53:46,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:46" (3/4) ... [2020-11-23 23:53:46,932 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-23 23:53:46,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 23:53:46,940 INFO L168 Benchmark]: Toolchain (without parser) took 1696.58 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 23.1 MB in the beginning and 35.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2020-11-23 23:53:46,944 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 46.1 MB. Free memory is still 30.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:53:46,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.43 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 24.3 MB in the end (delta: -1.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-23 23:53:46,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.77 ms. Allocated memory is still 46.1 MB. Free memory was 24.3 MB in the beginning and 22.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 23:53:46,951 INFO L168 Benchmark]: Boogie Preprocessor took 41.53 ms. Allocated memory is still 46.1 MB. Free memory was 22.9 MB in the beginning and 22.0 MB in the end (delta: 881.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:53:46,952 INFO L168 Benchmark]: RCFGBuilder took 516.89 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 21.9 MB in the beginning and 34.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-11-23 23:53:46,954 INFO L168 Benchmark]: TraceAbstraction took 617.12 ms. Allocated memory is still 58.7 MB. Free memory was 33.8 MB in the beginning and 36.0 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:53:46,955 INFO L168 Benchmark]: Witness Printer took 10.43 ms. Allocated memory is still 58.7 MB. Free memory was 35.6 MB in the beginning and 35.3 MB in the end (delta: 313.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:53:46,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 46.1 MB. Free memory is still 30.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 426.43 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 24.3 MB in the end (delta: -1.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.77 ms. Allocated memory is still 46.1 MB. Free memory was 24.3 MB in the beginning and 22.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.53 ms. Allocated memory is still 46.1 MB. Free memory was 22.9 MB in the beginning and 22.0 MB in the end (delta: 881.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 516.89 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 21.9 MB in the beginning and 34.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 617.12 ms. Allocated memory is still 58.7 MB. Free memory was 33.8 MB in the beginning and 36.0 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 10.43 ms. Allocated memory is still 58.7 MB. Free memory was 35.6 MB in the beginning and 35.3 MB in the end (delta: 313.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 10, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 12. Possible FailurePath: [L1] int __return_main; VAL [__return_main=0] [L9] float main__x = 1.0; [L10] float main__x1 = main__x / 1.600000023841858; VAL [__return_main=0] [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L4] __assert_fail("0", "Float_div_bad.i.p+cfa-reducer.c", 4, "reach_error") VAL [__return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-88b5e43 [2020-11-23 23:53:49,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 23:53:49,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 23:53:49,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 23:53:49,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 23:53:49,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 23:53:49,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 23:53:49,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 23:53:49,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 23:53:49,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 23:53:49,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 23:53:49,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 23:53:49,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 23:53:49,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 23:53:49,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 23:53:49,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 23:53:49,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 23:53:49,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 23:53:50,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 23:53:50,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 23:53:50,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 23:53:50,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 23:53:50,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 23:53:50,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 23:53:50,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 23:53:50,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 23:53:50,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 23:53:50,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 23:53:50,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 23:53:50,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 23:53:50,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 23:53:50,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 23:53:50,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 23:53:50,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 23:53:50,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 23:53:50,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 23:53:50,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 23:53:50,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 23:53:50,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 23:53:50,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 23:53:50,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 23:53:50,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-23 23:53:50,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 23:53:50,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 23:53:50,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 23:53:50,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 23:53:50,109 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 23:53:50,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 23:53:50,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 23:53:50,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 23:53:50,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 23:53:50,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 23:53:50,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 23:53:50,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 23:53:50,113 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-23 23:53:50,115 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-23 23:53:50,115 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 23:53:50,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 23:53:50,116 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 23:53:50,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 23:53:50,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 23:53:50,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 23:53:50,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 23:53:50,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 23:53:50,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:53:50,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 23:53:50,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 23:53:50,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 23:53:50,119 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-23 23:53:50,119 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-23 23:53:50,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 23:53:50,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 23:53:50,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-23 23:53:50,120 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14286cb21d81f224a2bc0c145c98a5c3f3fcd807 [2020-11-23 23:53:50,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 23:53:50,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 23:53:50,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 23:53:50,639 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 23:53:50,644 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 23:53:50,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2020-11-23 23:53:50,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15229bf72/f7599bd6227f4b76975688da2891d269/FLAG7ba65b4ee [2020-11-23 23:53:51,500 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 23:53:51,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2020-11-23 23:53:51,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15229bf72/f7599bd6227f4b76975688da2891d269/FLAG7ba65b4ee [2020-11-23 23:53:51,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15229bf72/f7599bd6227f4b76975688da2891d269 [2020-11-23 23:53:51,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 23:53:51,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 23:53:51,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 23:53:51,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 23:53:51,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 23:53:51,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:51" (1/1) ... [2020-11-23 23:53:51,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495266db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:51, skipping insertion in model container [2020-11-23 23:53:51,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:51" (1/1) ... [2020-11-23 23:53:51,884 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 23:53:51,908 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-11-23 23:53:52,232 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:53:52,263 INFO L212 MainTranslator]: Completed pre-run [2020-11-23 23:53:52,297 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:53:52,332 INFO L217 MainTranslator]: Completed translation [2020-11-23 23:53:52,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52 WrapperNode [2020-11-23 23:53:52,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 23:53:52,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 23:53:52,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 23:53:52,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 23:53:52,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... [2020-11-23 23:53:52,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... [2020-11-23 23:53:52,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 23:53:52,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 23:53:52,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 23:53:52,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 23:53:52,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... [2020-11-23 23:53:52,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... [2020-11-23 23:53:52,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... [2020-11-23 23:53:52,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... [2020-11-23 23:53:52,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... [2020-11-23 23:53:52,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... [2020-11-23 23:53:52,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... [2020-11-23 23:53:52,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 23:53:52,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 23:53:52,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 23:53:52,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 23:53:52,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:53:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-11-23 23:53:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-23 23:53:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 23:53:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 23:53:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 23:53:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-11-23 23:53:56,069 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 23:53:56,070 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-23 23:53:56,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:56 BoogieIcfgContainer [2020-11-23 23:53:56,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 23:53:56,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 23:53:56,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 23:53:56,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 23:53:56,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:53:51" (1/3) ... [2020-11-23 23:53:56,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419a94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:53:56, skipping insertion in model container [2020-11-23 23:53:56,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:52" (2/3) ... [2020-11-23 23:53:56,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419a94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:53:56, skipping insertion in model container [2020-11-23 23:53:56,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:56" (3/3) ... [2020-11-23 23:53:56,087 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div_bad.i.p+cfa-reducer.c [2020-11-23 23:53:56,110 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 23:53:56,117 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 23:53:56,148 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 23:53:56,191 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 23:53:56,192 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 23:53:56,192 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 23:53:56,192 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 23:53:56,193 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 23:53:56,195 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 23:53:56,210 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 23:53:56,210 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 23:53:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-23 23:53:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-23 23:53:56,236 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:53:56,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-23 23:53:56,238 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:53:56,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:53:56,245 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-11-23 23:53:56,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:53:56,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888197807] [2020-11-23 23:53:56,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-23 23:53:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 23:53:57,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-23 23:53:57,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:54:13,080 WARN L193 SmtUtils]: Spent 11.58 s on a formula simplification that was a NOOP. DAG size: 38 [2020-11-23 23:54:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 23:54:13,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:54:17,535 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_7 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_7 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_6|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_6|))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_7) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_7))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_7) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_7) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_7)))) (or (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= .cse1 ((_ to_fp 8 24) c_~CRM .cse2))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse1 .cse3))))) is different from true [2020-11-23 23:54:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 23:54:17,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888197807] [2020-11-23 23:54:17,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 23:54:17,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-23 23:54:17,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836278471] [2020-11-23 23:54:17,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-23 23:54:17,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 23:54:17,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-23 23:54:17,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=12, Unknown=3, NotChecked=6, Total=30 [2020-11-23 23:54:17,565 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2020-11-23 23:54:26,081 WARN L193 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 44 [2020-11-23 23:54:49,033 WARN L193 SmtUtils]: Spent 17.90 s on a formula simplification that was a NOOP. DAG size: 42 [2020-11-23 23:54:52,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 23:54:52,471 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2020-11-23 23:54:52,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-23 23:54:52,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-11-23 23:54:52,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 23:54:52,483 INFO L225 Difference]: With dead ends: 17 [2020-11-23 23:54:52,483 INFO L226 Difference]: Without dead ends: 7 [2020-11-23 23:54:52,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.0s TimeCoverageRelationStatistics Valid=18, Invalid=23, Unknown=5, NotChecked=10, Total=56 [2020-11-23 23:54:52,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-11-23 23:54:52,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-11-23 23:54:52,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-23 23:54:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-11-23 23:54:52,529 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2020-11-23 23:54:52,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 23:54:52,529 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-11-23 23:54:52,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-23 23:54:52,530 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-11-23 23:54:52,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-23 23:54:52,530 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:54:52,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-23 23:54:52,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-23 23:54:52,747 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:54:52,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:54:52,749 INFO L82 PathProgramCache]: Analyzing trace with hash 889537510, now seen corresponding path program 1 times [2020-11-23 23:54:52,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:54:52,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378916760] [2020-11-23 23:54:52,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-23 23:54:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 23:54:54,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-23 23:54:54,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:54:56,999 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))))))) is different from false [2020-11-23 23:54:59,364 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_8 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_8))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse2) .cse3) (= .cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse3) ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0)))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse2))))) is different from false [2020-11-23 23:54:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-11-23 23:54:59,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:55:01,517 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2)) (not (fp.eq .cse2 .cse1))))) is different from false [2020-11-23 23:55:05,239 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_10 (_ BitVec 32))) (let ((.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_10))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_10)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse6)) (not (fp.eq .cse6 .cse1))))) is different from true [2020-11-23 23:55:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-11-23 23:55:05,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378916760] [2020-11-23 23:55:05,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-23 23:55:05,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-11-23 23:55:05,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836505465] [2020-11-23 23:55:05,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-23 23:55:05,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 23:55:05,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-23 23:55:05,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=11, Unknown=4, NotChecked=28, Total=56 [2020-11-23 23:55:05,248 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 8 states. [2020-11-23 23:55:07,331 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_10 (_ BitVec 32))) (let ((.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_10))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_10) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_10)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse6)) (not (fp.eq .cse6 .cse1))))) (= roundNearestTiesToEven c_~CRM)) is different from true [2020-11-23 23:55:09,529 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_9) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_9))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))))) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2)) (not (fp.eq .cse2 .cse1))))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse4 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4) (= ((_ to_fp 8 24) c_~CRM .cse5) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))))))) is different from false [2020-11-23 23:55:13,766 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))))) (not (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_8 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_8|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_8) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_8))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_8|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse2) .cse3) (= .cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse3) ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0)))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse2))))) is different from false [2020-11-23 23:55:18,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 23:55:18,575 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2020-11-23 23:55:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-23 23:55:18,576 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 6 [2020-11-23 23:55:18,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 23:55:18,577 INFO L225 Difference]: With dead ends: 11 [2020-11-23 23:55:18,577 INFO L226 Difference]: Without dead ends: 8 [2020-11-23 23:55:18,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.9s TimeCoverageRelationStatistics Valid=19, Invalid=14, Unknown=7, NotChecked=70, Total=110 [2020-11-23 23:55:18,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-11-23 23:55:18,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-11-23 23:55:18,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-23 23:55:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-11-23 23:55:18,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2020-11-23 23:55:18,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 23:55:18,582 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-11-23 23:55:18,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-23 23:55:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-11-23 23:55:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-23 23:55:18,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:55:18,583 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-11-23 23:55:18,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-23 23:55:18,784 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:55:18,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:55:18,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1805796550, now seen corresponding path program 2 times [2020-11-23 23:55:18,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:55:18,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615226469] [2020-11-23 23:55:18,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-23 23:55:21,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-23 23:55:21,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:55:22,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-23 23:55:22,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:55:24,270 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2))))) is different from false [2020-11-23 23:55:26,611 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))))))) is different from false [2020-11-23 23:55:29,153 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))))))) (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_12))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= .cse2 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5)) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse6) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse5) .cse3))))) is different from false [2020-11-23 23:55:29,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-23 23:55:33,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-11-23 23:55:33,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:55:36,422 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse0)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))))))) (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32)))) is different from true [2020-11-23 23:55:38,804 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14)))) (or (not (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse1))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse1) .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse4)) (fp.eq .cse2 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse4 .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2))))) is different from true [2020-11-23 23:55:41,371 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x~0_15 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_15))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_15))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14)))) (or (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2)) (not (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse4))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse1) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse1) .cse4)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse8)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse7 .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse5))))) is different from true [2020-11-23 23:55:41,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-11-23 23:55:41,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615226469] [2020-11-23 23:55:41,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-23 23:55:41,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2020-11-23 23:55:41,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014637587] [2020-11-23 23:55:41,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-23 23:55:41,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 23:55:41,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-23 23:55:41,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=19, Unknown=6, NotChecked=66, Total=110 [2020-11-23 23:55:41,375 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 11 states. [2020-11-23 23:55:43,801 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_main_~main__x~0_15 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_15))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_15) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_15))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14)))) (or (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2)) (not (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse4))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse1) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse1) .cse4)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse8)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse7 .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse5)))))) is different from true [2020-11-23 23:55:45,942 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2)))) (forall ((|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse4 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14)))) (or (not (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse4))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse4) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse7 .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse5)))))) is different from false [2020-11-23 23:55:48,122 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= .cse0 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse1) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2)))) (forall ((|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_14 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse4 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14)))) (or (not (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse4))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse4) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse7 .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse5)))))) is different from true [2020-11-23 23:55:50,985 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))))) (or (forall ((|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse7 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (fp.eq .cse6 .cse7)) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse6)) (not (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))))))) (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) is different from false [2020-11-23 23:55:53,215 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|)))) (and (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))))) (or (forall ((|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_13) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_13))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|))) (.cse7 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (fp.eq .cse6 .cse7)) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse6)) (not (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))))))) (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) is different from true [2020-11-23 23:55:55,709 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_10|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))))))) (= roundNearestTiesToEven c_~CRM) (let ((.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0)))) (or (not (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) .cse1)) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_9|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_12) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_12))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_10|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_11) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_11))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_10|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse5) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse6)) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse6) .cse4))))) is different from false [2020-11-23 23:56:00,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 23:56:00,524 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-11-23 23:56:00,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-23 23:56:00,526 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 7 [2020-11-23 23:56:00,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 23:56:00,526 INFO L225 Difference]: With dead ends: 12 [2020-11-23 23:56:00,526 INFO L226 Difference]: Without dead ends: 9 [2020-11-23 23:56:00,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.7s TimeCoverageRelationStatistics Valid=27, Invalid=21, Unknown=12, NotChecked=150, Total=210 [2020-11-23 23:56:00,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-11-23 23:56:00,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-11-23 23:56:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-23 23:56:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-11-23 23:56:00,531 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-11-23 23:56:00,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 23:56:00,532 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-11-23 23:56:00,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-23 23:56:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-11-23 23:56:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-23 23:56:00,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:56:00,532 INFO L422 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2020-11-23 23:56:00,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-23 23:56:00,744 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:56:00,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:56:00,745 INFO L82 PathProgramCache]: Analyzing trace with hash 145055718, now seen corresponding path program 3 times [2020-11-23 23:56:00,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:56:00,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672255555] [2020-11-23 23:56:00,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-23 23:56:04,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-23 23:56:04,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:56:05,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-23 23:56:05,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:56:07,278 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= ((_ to_fp 8 24) c_~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (= .cse2 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse1)))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-11-23 23:56:09,659 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16)))) (and (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse4) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse5 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse1) .cse4) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse0))))) is different from false [2020-11-23 23:56:12,176 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_17 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse0 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_17))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|)))) (and (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2) (= .cse3 ((_ to_fp 8 24) c_~CRM .cse4)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse1) .cse4) (= .cse6 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse5) (= ((_ to_fp 8 24) c_~CRM .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 8 24) c_~CRM .cse7) .cse0) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse1) .cse7))))) is different from false [2020-11-23 23:56:15,142 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_17 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_18 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_18) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_18) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_18))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_17))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|)))) (and (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse4) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse6) (= .cse7 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse3) .cse4) (= ((_ to_fp 8 24) c_~CRM .cse7) .cse2) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse3) .cse5)))) (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64))) (let ((.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|)))) (and (= .cse8 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (= (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM .cse8)))))) is different from false [2020-11-23 23:56:15,215 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-23 23:56:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2020-11-23 23:56:20,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:56:21,227 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-23 23:56:23,424 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|)))) (or (not (fp.eq .cse0 .cse1)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) .cse2)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse2)))))) (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32)))) is different from true [2020-11-23 23:56:25,811 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse2 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse0 .cse1)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse2) .cse3)) (not (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2))) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse4))) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) is different from true [2020-11-23 23:56:28,393 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse0 .cse1)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3) .cse4)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse1)) (not (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3))) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse5))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse3) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse2)) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) is different from true [2020-11-23 23:56:31,527 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_22 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_22 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_22) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_22) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_22))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_22) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_22) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_22))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse3))) (not (fp.eq .cse4 .cse5)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse1) .cse3)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse1) .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse5)) (not (= .cse9 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= ((_ to_fp 8 24) c_~CRM .cse9) .cse6)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse1))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse10))) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse7)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) is different from true [2020-11-23 23:56:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2020-11-23 23:56:31,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672255555] [2020-11-23 23:56:31,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-23 23:56:31,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2020-11-23 23:56:31,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638540416] [2020-11-23 23:56:31,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-23 23:56:31,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 23:56:31,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-23 23:56:31,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=21, Unknown=8, NotChecked=104, Total=156 [2020-11-23 23:56:31,533 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 13 states. [2020-11-23 23:56:34,867 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_22 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_22 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_22) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_22) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_22))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_22) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_22) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_22))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2)) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse3))) (not (fp.eq .cse4 .cse5)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse1) .cse3)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse1) .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse5)) (not (= .cse9 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= ((_ to_fp 8 24) c_~CRM .cse9) .cse6)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse1))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse10))) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse7)) (fp.eq .cse5 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) (= roundNearestTiesToEven c_~CRM)) is different from true [2020-11-23 23:56:37,045 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse0 .cse1)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3) .cse4)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse1)) (not (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3))) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse5))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse3) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse2)) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) (exists ((|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse8 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= ((_ to_fp 8 24) c_~CRM .cse7) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse7 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (= .cse9 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse9) .cse8)))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-11-23 23:56:39,415 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_21 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_21) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_21))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse0 .cse1)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3) .cse4)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse1)) (not (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3))) (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse5))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse3) .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse2)) (fp.eq .cse1 ((_ to_fp 8 24) c_~CRM (_ bv0 32)))))) (exists ((|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse8 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0)))) (and (= ((_ to_fp 8 24) c_~CRM .cse7) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse7 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (= .cse9 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse9) .cse8)))) (= roundNearestTiesToEven c_~CRM)) is different from true [2020-11-23 23:56:41,725 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16)))) (and (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse4) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse5 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse1) .cse4) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse0)))) (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse8 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse6 .cse7)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse8) .cse9)) (not (= ((_ to_fp 8 24) c_~CRM .cse9) .cse7)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse8))) (not (= .cse6 ((_ to_fp 8 24) c_~CRM .cse10))) (fp.eq .cse7 ((_ to_fp 8 24) c_~CRM (_ bv0 32))))))) is different from false [2020-11-23 23:56:44,153 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16)))) (and (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= ((_ to_fp 8 24) c_~CRM .cse4) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse5 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse1) .cse4) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse0)))) (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_20 (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse8 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_20) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_20)))) (or (not (fp.eq .cse6 .cse7)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse8) .cse9)) (not (= ((_ to_fp 8 24) c_~CRM .cse9) .cse7)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse8))) (not (= .cse6 ((_ to_fp 8 24) c_~CRM .cse10))) (fp.eq .cse7 ((_ to_fp 8 24) c_~CRM (_ bv0 32))))))) is different from true [2020-11-23 23:56:46,636 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_17 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse0 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_17))) (.cse1 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|)))) (and (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse1) .cse2) (= .cse3 ((_ to_fp 8 24) c_~CRM .cse4)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse1) .cse4) (= .cse6 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse5) (= ((_ to_fp 8 24) c_~CRM .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= ((_ to_fp 8 24) c_~CRM .cse7) .cse0) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse1) .cse7)))) (or (forall ((v_ULTIMATE.start_main_~main__x1~0_19 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64))) (let ((.cse9 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_19) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_19))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|)))) (or (not (fp.eq .cse8 .cse9)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) .cse10)) (not (= .cse8 ((_ to_fp 8 24) c_~CRM .cse10)))))) (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) is different from false [2020-11-23 23:56:50,397 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_main_~main__x~0_16 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_17 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_18 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_12|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_18) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_18) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_18))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_15|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_12|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_16) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_16))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_17) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_17))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_14|)))) (and (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse4) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse6) (= .cse7 ((_ to_fp 11 53) c_~CRM 1.0)) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse3) .cse4) (= ((_ to_fp 8 24) c_~CRM .cse7) .cse2) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse3) .cse5)))) (= roundNearestTiesToEven c_~CRM) (let ((.cse8 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0)))) (or (not (fp.eq (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) .cse8)) (fp.eq .cse8 ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_16| (_ BitVec 64))) (let ((.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_16|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_16|)))) (and (= .cse9 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (= (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM .cse9)))))) is different from false [2020-11-23 23:56:55,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 23:56:55,299 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2020-11-23 23:56:55,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-23 23:56:55,301 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 8 [2020-11-23 23:56:55,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 23:56:55,302 INFO L225 Difference]: With dead ends: 13 [2020-11-23 23:56:55,302 INFO L226 Difference]: Without dead ends: 10 [2020-11-23 23:56:55,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.5s TimeCoverageRelationStatistics Valid=33, Invalid=24, Unknown=15, NotChecked=234, Total=306 [2020-11-23 23:56:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-11-23 23:56:55,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-23 23:56:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-23 23:56:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-23 23:56:55,309 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2020-11-23 23:56:55,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 23:56:55,309 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-11-23 23:56:55,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-23 23:56:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-23 23:56:55,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-23 23:56:55,310 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:56:55,310 INFO L422 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2020-11-23 23:56:55,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-23 23:56:55,521 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:56:55,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:56:55,522 INFO L82 PathProgramCache]: Analyzing trace with hash 201697478, now seen corresponding path program 4 times [2020-11-23 23:56:55,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 23:56:55,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697650256] [2020-11-23 23:56:55,524 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-23 23:57:00,305 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-23 23:57:00,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:57:00,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-23 23:57:00,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 23:57:03,040 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse1 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (= ((_ to_fp 8 24) c_~CRM .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))))))) is different from false [2020-11-23 23:57:05,412 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= ((_ to_fp 8 24) c_~CRM .cse1) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse3) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse5)) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse4) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse5)))))) is different from false [2020-11-23 23:57:07,958 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)) ((_ to_fp 8 24) c_~CRM .cse1)) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse6)) (= .cse7 ((_ to_fp 8 24) c_~CRM .cse4)) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse5) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse6)) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse6))))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-11-23 23:57:10,775 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_25 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (ULTIMATE.start_main_~main__x~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_25))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse0 (fp ((_ extract 31 31) ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) ULTIMATE.start_main_~main__x~0))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse9 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (and (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse2 ((_ to_fp 8 24) c_~CRM .cse3)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse4) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse5) .cse1) (= ((_ to_fp 8 24) c_~CRM .cse6) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) (= .cse7 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse5)) (= .cse9 ((_ to_fp 8 24) c_~CRM .cse7)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8) (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse5)) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse5)))))) is different from false [2020-11-23 23:57:14,348 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_main_~main__x~0_23 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_24 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_25 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x~0_26 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet10_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_14| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse2 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_26) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_26) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_26))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet7_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet7_14|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_24) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_24))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_14|))) (.cse8 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_23) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_23))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|))) (.cse5 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x~0_25) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x~0_25))) (.cse9 ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0)))) (and (= (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0)) ((_ to_fp 8 24) roundNearestTiesToEven .cse0)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse1) .cse2) (= .cse3 ((_ to_fp 8 24) roundNearestTiesToEven .cse4)) (= .cse5 ((_ to_fp 8 24) roundNearestTiesToEven .cse6)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse7) .cse8) (= .cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) .cse9)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse7) (= .cse6 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse3) .cse9)) (= .cse4 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse8) .cse9)) (= .cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse5) .cse9))))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64))) (let ((.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|)))) (and (= (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x~0))) ((_ to_fp 11 53) roundNearestTiesToEven (/ 800000011920929.0 500000000000000.0))) .cse10) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse10) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))))))) is different from false [2020-11-23 23:57:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2020-11-23 23:57:14,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 23:57:16,876 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse1 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse2 (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0)))) (or (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse1)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) .cse0)) (not (fp.eq .cse1 .cse2))))) is different from false [2020-11-23 23:57:20,902 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse4) .cse2)) (not (fp.eq .cse3 .cse0)) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse4)))))) is different from false [2020-11-23 23:57:23,295 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse3 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse4) .cse2)) (not (fp.eq .cse3 .cse0)) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse4)))))) is different from true [2020-11-23 23:57:25,453 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse3))) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse3))) (not (= ((_ to_fp 8 24) c_~CRM .cse5) .cse6)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse3) .cse5)) (not (fp.eq .cse6 .cse0)) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse2)))))) is different from false [2020-11-23 23:57:28,017 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse3))) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse3))) (not (= ((_ to_fp 8 24) c_~CRM .cse5) .cse6)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse3) .cse5)) (not (fp.eq .cse6 .cse0)) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse2)))))) is different from true [2020-11-23 23:57:30,375 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_30))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse3))) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse3))) (not (= ((_ to_fp 8 24) c_~CRM .cse5) .cse6)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse3) .cse5)) (not (fp.eq .cse6 .cse0)) (not (= .cse7 ((_ to_fp 8 24) c_~CRM .cse2))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse8))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse3) .cse8))))) is different from false [2020-11-23 23:57:33,600 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x1~0_29 (_ BitVec 32)) (v_ULTIMATE.start_main_~main__x1~0_28 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_24| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_30 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_21| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_27 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_23|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_23|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_24|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_24|))) (.cse6 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_27) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_27))) (.cse0 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_28) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_28))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_21|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_21|))) (.cse4 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_29) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_29))) (.cse7 (fp ((_ extract 31 31) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_30) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_30))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 800000011920929.0 500000000000000.0))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_22|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_22|)))) (or (not (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM (fp ((_ extract 31 31) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 30 23) c_ULTIMATE.start_main_~main__x1~0) ((_ extract 22 0) c_ULTIMATE.start_main_~main__x1~0))) .cse3))) (not (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse3))) (not (= ((_ to_fp 8 24) c_~CRM .cse5) .cse6)) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse3) .cse5)) (not (fp.eq .cse6 .cse0)) (not (= .cse7 ((_ to_fp 8 24) c_~CRM .cse2))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse8))) (not (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse3) .cse8))))) is different from true [2020-11-23 23:57:36,810 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-11-23 23:57:36,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697650256] [2020-11-23 23:57:36,813 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2020-11-23 23:57:36,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [413582926] [2020-11-23 23:57:36,813 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-23 23:57:49,957 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-23 23:57:49,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:57:49,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-23 23:57:49,970 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@c8a35a [2020-11-23 23:57:49,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137799167] [2020-11-23 23:57:49,971 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-23 23:58:49,044 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-23 23:58:49,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-23 23:58:49,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 23 conjunts are in the unsatisfiable core [2020-11-23 23:58:49,758 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@c8a35a [2020-11-23 23:58:49,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-23 23:58:49,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-23 23:58:49,758 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-11-23 23:58:49,758 INFO L523 BasicCegarLoop]: Counterexample might be feasible [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2020-11-23 23:58:50,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-23 23:58:50,392 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-23 23:58:50,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:58:50 BoogieIcfgContainer [2020-11-23 23:58:50,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 23:58:50,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 23:58:50,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 23:58:50,414 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 23:58:50,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:53:56" (3/4) ... [2020-11-23 23:58:50,421 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-23 23:58:50,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 23:58:50,423 INFO L168 Benchmark]: Toolchain (without parser) took 298577.95 ms. Allocated memory is still 52.4 MB. Free memory was 29.7 MB in the beginning and 28.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-11-23 23:58:50,424 INFO L168 Benchmark]: CDTParser took 3.98 ms. Allocated memory is still 39.8 MB. Free memory was 26.1 MB in the beginning and 26.0 MB in the end (delta: 22.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:58:50,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.23 ms. Allocated memory is still 52.4 MB. Free memory was 29.0 MB in the beginning and 32.2 MB in the end (delta: -3.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-23 23:58:50,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.46 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 30.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 23:58:50,426 INFO L168 Benchmark]: Boogie Preprocessor took 32.44 ms. Allocated memory is still 52.4 MB. Free memory was 30.7 MB in the beginning and 29.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:58:50,427 INFO L168 Benchmark]: RCFGBuilder took 3638.76 ms. Allocated memory is still 52.4 MB. Free memory was 29.5 MB in the beginning and 31.2 MB in the end (delta: -1.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-11-23 23:58:50,428 INFO L168 Benchmark]: TraceAbstraction took 294337.55 ms. Allocated memory is still 52.4 MB. Free memory was 30.8 MB in the beginning and 28.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. [2020-11-23 23:58:50,429 INFO L168 Benchmark]: Witness Printer took 7.26 ms. Allocated memory is still 52.4 MB. Free memory was 28.6 MB in the beginning and 28.1 MB in the end (delta: 478.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 23:58:50,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.98 ms. Allocated memory is still 39.8 MB. Free memory was 26.1 MB in the beginning and 26.0 MB in the end (delta: 22.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 478.23 ms. Allocated memory is still 52.4 MB. Free memory was 29.0 MB in the beginning and 32.2 MB in the end (delta: -3.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.46 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 30.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.44 ms. Allocated memory is still 52.4 MB. Free memory was 30.7 MB in the beginning and 29.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 3638.76 ms. Allocated memory is still 52.4 MB. Free memory was 29.5 MB in the beginning and 31.2 MB in the end (delta: -1.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 294337.55 ms. Allocated memory is still 52.4 MB. Free memory was 30.8 MB in the beginning and 28.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. * Witness Printer took 7.26 ms. Allocated memory is still 52.4 MB. Free memory was 28.6 MB in the beginning and 28.1 MB in the end (delta: 478.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1] int __return_main; [L9] EXPR 1.0 [L9] float main__x = 1.0; [L10] EXPR main__x / 1.600000023841858 [L10] float main__x1 = main__x / 1.600000023841858; [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR main__x / 1.600000023841858 [L15] main__x1 = main__x / 1.600000023841858 [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR main__x / 1.600000023841858 [L15] main__x1 = main__x / 1.600000023841858 [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR main__x / 1.600000023841858 [L15] main__x1 = main__x / 1.600000023841858 [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR main__x / 1.600000023841858 [L15] main__x1 = main__x / 1.600000023841858 [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 [L25] COND TRUE __VERIFIER_assert__cond == 0 [L4] __assert_fail("0", "Float_div_bad.i.p+cfa-reducer.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 294.1s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 91.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 1 SDslu, 57 SDs, 0 SdLazy, 16 SolverSat, 0 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 31 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 137.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 9.5s SatisfiabilityAnalysisTime, 77.3s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 44 ConstructedInterpolants, 20 QuantifiedInterpolants, 15017 SizeOfPredicates, 20 NumberOfNonLiveVariables, 152 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 0/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...