./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d3efc4d3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5828f0140d590ad7769cb7343d2c3b5784d8d5d .............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5828f0140d590ad7769cb7343d2c3b5784d8d5d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-d3efc4d [2020-12-04 10:23:17,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 10:23:17,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 10:23:17,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 10:23:17,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 10:23:17,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 10:23:17,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 10:23:17,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 10:23:17,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 10:23:17,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 10:23:17,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 10:23:17,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 10:23:17,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 10:23:17,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 10:23:17,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 10:23:17,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 10:23:17,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 10:23:17,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 10:23:17,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 10:23:17,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 10:23:17,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 10:23:17,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 10:23:17,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 10:23:17,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 10:23:17,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 10:23:17,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 10:23:17,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 10:23:17,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 10:23:17,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 10:23:17,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 10:23:17,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 10:23:17,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 10:23:17,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 10:23:17,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 10:23:17,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 10:23:17,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 10:23:17,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 10:23:17,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 10:23:17,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 10:23:17,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 10:23:17,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 10:23:17,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-04 10:23:17,464 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 10:23:17,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 10:23:17,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 10:23:17,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 10:23:17,467 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 10:23:17,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 10:23:17,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-04 10:23:17,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 10:23:17,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-04 10:23:17,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 10:23:17,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 10:23:17,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 10:23:17,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 10:23:17,469 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-04 10:23:17,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 10:23:17,469 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 10:23:17,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 10:23:17,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 10:23:17,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 10:23:17,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 10:23:17,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 10:23:17,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 10:23:17,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 10:23:17,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 10:23:17,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 10:23:17,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 10:23:17,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 10:23:17,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 10:23:17,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5828f0140d590ad7769cb7343d2c3b5784d8d5d [2020-12-04 10:23:17,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 10:23:17,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 10:23:18,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 10:23:18,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 10:23:18,007 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 10:23:18,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-12-04 10:23:18,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00fde3f97/a336cfe7fd1d42a4819d7f0b513260f9/FLAGc004a8009 [2020-12-04 10:23:18,765 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 10:23:18,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-12-04 10:23:18,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00fde3f97/a336cfe7fd1d42a4819d7f0b513260f9/FLAGc004a8009 [2020-12-04 10:23:19,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00fde3f97/a336cfe7fd1d42a4819d7f0b513260f9 [2020-12-04 10:23:19,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 10:23:19,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 10:23:19,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 10:23:19,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 10:23:19,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 10:23:19,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f9d45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19, skipping insertion in model container [2020-12-04 10:23:19,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,155 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 10:23:19,173 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-04 10:23:19,337 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2020-12-04 10:23:19,343 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-04 10:23:19,355 INFO L212 MainTranslator]: Completed pre-run [2020-12-04 10:23:19,374 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2020-12-04 10:23:19,375 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-04 10:23:19,393 INFO L217 MainTranslator]: Completed translation [2020-12-04 10:23:19,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19 WrapperNode [2020-12-04 10:23:19,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 10:23:19,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 10:23:19,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 10:23:19,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 10:23:19,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 10:23:19,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 10:23:19,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 10:23:19,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 10:23:19,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... [2020-12-04 10:23:19,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 10:23:19,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 10:23:19,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 10:23:19,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 10:23:19,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 10:23:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 10:23:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 10:23:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 10:23:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 10:23:19,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 10:23:19,864 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-04 10:23:19,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 10:23:19 BoogieIcfgContainer [2020-12-04 10:23:19,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 10:23:19,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 10:23:19,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 10:23:19,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 10:23:19,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 10:23:19" (1/3) ... [2020-12-04 10:23:19,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43799975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 10:23:19, skipping insertion in model container [2020-12-04 10:23:19,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:19" (2/3) ... [2020-12-04 10:23:19,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43799975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 10:23:19, skipping insertion in model container [2020-12-04 10:23:19,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 10:23:19" (3/3) ... [2020-12-04 10:23:19,880 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div.i.p+cfa-reducer.c [2020-12-04 10:23:19,905 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 10:23:19,918 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-04 10:23:19,958 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-04 10:23:20,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 10:23:20,004 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 10:23:20,005 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 10:23:20,005 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 10:23:20,005 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 10:23:20,006 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 10:23:20,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 10:23:20,006 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 10:23:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-04 10:23:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-04 10:23:20,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 10:23:20,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-04 10:23:20,034 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 10:23:20,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 10:23:20,042 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-12-04 10:23:20,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 10:23:20,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210558562] [2020-12-04 10:23:20,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 10:23:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-04 10:23:20,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-04 10:23:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-04 10:23:20,220 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-04 10:23:20,244 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-04 10:23:20,245 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-04 10:23:20,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 10:23:20,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 10:23:20 BoogieIcfgContainer [2020-12-04 10:23:20,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 10:23:20,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 10:23:20,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 10:23:20,285 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 10:23:20,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 10:23:19" (3/4) ... [2020-12-04 10:23:20,291 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-04 10:23:20,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 10:23:20,294 INFO L168 Benchmark]: Toolchain (without parser) took 1167.97 ms. Allocated memory is still 56.6 MB. Free memory was 33.1 MB in the beginning and 38.9 MB in the end (delta: -5.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 10:23:20,296 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 44.0 MB. Free memory was 23.6 MB in the beginning and 23.5 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 10:23:20,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.57 ms. Allocated memory is still 56.6 MB. Free memory was 32.9 MB in the beginning and 36.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-04 10:23:20,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.16 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 35.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-04 10:23:20,299 INFO L168 Benchmark]: Boogie Preprocessor took 23.23 ms. Allocated memory is still 56.6 MB. Free memory was 35.3 MB in the beginning and 34.4 MB in the end (delta: 904.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 10:23:20,300 INFO L168 Benchmark]: RCFGBuilder took 406.25 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 37.2 MB in the end (delta: -2.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-04 10:23:20,302 INFO L168 Benchmark]: TraceAbstraction took 413.99 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 39.1 MB in the end (delta: -2.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2020-12-04 10:23:20,303 INFO L168 Benchmark]: Witness Printer took 6.90 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 38.9 MB in the end (delta: 226.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 10:23:20,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 44.0 MB. Free memory was 23.6 MB in the beginning and 23.5 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.57 ms. Allocated memory is still 56.6 MB. Free memory was 32.9 MB in the beginning and 36.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.16 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 35.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.23 ms. Allocated memory is still 56.6 MB. Free memory was 35.3 MB in the beginning and 34.4 MB in the end (delta: 904.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 406.25 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 37.2 MB in the end (delta: -2.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 413.99 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 39.1 MB in the end (delta: -2.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * Witness Printer took 6.90 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 38.9 MB in the end (delta: 226.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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 / 2.5; 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] [L27] reach_error() VAL [__return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, 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=9occurred 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-d3efc4d [2020-12-04 10:23:22,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 10:23:22,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 10:23:22,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 10:23:22,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 10:23:22,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 10:23:22,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 10:23:22,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 10:23:22,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 10:23:22,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 10:23:22,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 10:23:22,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 10:23:22,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 10:23:22,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 10:23:22,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 10:23:22,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 10:23:22,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 10:23:22,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 10:23:22,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 10:23:22,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 10:23:22,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 10:23:22,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 10:23:22,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 10:23:22,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 10:23:22,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 10:23:22,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 10:23:22,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 10:23:22,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 10:23:22,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 10:23:22,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 10:23:22,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 10:23:22,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 10:23:22,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 10:23:22,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 10:23:22,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 10:23:22,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 10:23:22,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 10:23:22,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 10:23:22,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 10:23:22,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 10:23:22,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 10:23:22,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-04 10:23:22,923 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 10:23:22,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 10:23:22,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 10:23:22,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 10:23:22,926 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 10:23:22,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 10:23:22,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-04 10:23:22,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-04 10:23:22,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 10:23:22,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 10:23:22,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 10:23:22,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 10:23:22,929 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-04 10:23:22,929 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-04 10:23:22,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-04 10:23:22,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 10:23:22,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 10:23:22,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 10:23:22,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 10:23:22,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 10:23:22,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 10:23:22,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 10:23:22,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 10:23:22,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 10:23:22,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 10:23:22,937 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-04 10:23:22,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-04 10:23:22,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 10:23:22,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 10:23:22,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-04 10:23:22,940 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5828f0140d590ad7769cb7343d2c3b5784d8d5d [2020-12-04 10:23:23,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 10:23:23,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 10:23:23,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 10:23:23,498 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 10:23:23,500 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 10:23:23,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-12-04 10:23:23,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e83f110/5da3e5983baf4920bfd8b91dcf440d2c/FLAGecd1be53c [2020-12-04 10:23:24,150 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 10:23:24,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2020-12-04 10:23:24,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e83f110/5da3e5983baf4920bfd8b91dcf440d2c/FLAGecd1be53c [2020-12-04 10:23:24,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e83f110/5da3e5983baf4920bfd8b91dcf440d2c [2020-12-04 10:23:24,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 10:23:24,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 10:23:24,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 10:23:24,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 10:23:24,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 10:23:24,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ef43f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24, skipping insertion in model container [2020-12-04 10:23:24,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,545 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 10:23:24,563 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-04 10:23:24,824 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2020-12-04 10:23:24,831 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-04 10:23:24,860 INFO L212 MainTranslator]: Completed pre-run [2020-12-04 10:23:24,876 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2020-12-04 10:23:24,878 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-04 10:23:24,897 INFO L217 MainTranslator]: Completed translation [2020-12-04 10:23:24,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24 WrapperNode [2020-12-04 10:23:24,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 10:23:24,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 10:23:24,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 10:23:24,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 10:23:24,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 10:23:24,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 10:23:24,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 10:23:24,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 10:23:24,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... [2020-12-04 10:23:24,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 10:23:24,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 10:23:24,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 10:23:24,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 10:23:24,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 10:23:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-04 10:23:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-04 10:23:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 10:23:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 10:23:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 10:23:25,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-04 10:23:29,571 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 10:23:29,571 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-04 10:23:29,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 10:23:29 BoogieIcfgContainer [2020-12-04 10:23:29,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 10:23:29,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 10:23:29,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 10:23:29,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 10:23:29,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 10:23:24" (1/3) ... [2020-12-04 10:23:29,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a84375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 10:23:29, skipping insertion in model container [2020-12-04 10:23:29,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 10:23:24" (2/3) ... [2020-12-04 10:23:29,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a84375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 10:23:29, skipping insertion in model container [2020-12-04 10:23:29,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 10:23:29" (3/3) ... [2020-12-04 10:23:29,584 INFO L111 eAbstractionObserver]: Analyzing ICFG Float_div.i.p+cfa-reducer.c [2020-12-04 10:23:29,602 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 10:23:29,607 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-04 10:23:29,622 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-04 10:23:29,650 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 10:23:29,651 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 10:23:29,651 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 10:23:29,651 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 10:23:29,652 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 10:23:29,652 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 10:23:29,652 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 10:23:29,652 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 10:23:29,664 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-04 10:23:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-04 10:23:29,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 10:23:29,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-04 10:23:29,671 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 10:23:29,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 10:23:29,678 INFO L82 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2020-12-04 10:23:29,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-04 10:23:29,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548685619] [2020-12-04 10:23:29,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-04 10:23:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 10:23:30,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-04 10:23:30,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 10:23:33,025 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64))) (let ((.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|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse0) (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 1.0) .cse0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse1 (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|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .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))) (= .cse1 (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))) .cse2)) (= ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)) .cse2))))) is different from false [2020-12-04 10:23:35,043 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 64))) (let ((.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|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse0) (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 1.0) .cse0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse1 (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|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .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))) (= .cse1 (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))) .cse2)) (= ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)) .cse2))))) is different from true [2020-12-04 10:23:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 10:23:35,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-04 10:23:37,377 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)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|))) (.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|))) (.cse1 (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|))) (.cse4 (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 (/ 5.0 2.0)) .cse0)) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse1)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse0))) (not (= .cse4 ((_ to_fp 8 24) c_~CRM .cse2))) (not (= ((_ to_fp 8 24) c_~CRM .cse1) .cse3)) (not (fp.eq .cse4 .cse3))))) is different from true [2020-12-04 10:23:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 10:23:37,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548685619] [2020-12-04 10:23:37,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-04 10:23:37,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-12-04 10:23:37,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878050094] [2020-12-04 10:23:37,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-04 10:23:37,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-04 10:23:37,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-04 10:23:37,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=8, Unknown=3, NotChecked=10, Total=30 [2020-12-04 10:23:37,405 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 6 states. [2020-12-04 10:23:45,694 WARN L197 SmtUtils]: Spent 4.31 s on a formula simplification that was a NOOP. DAG size: 51 [2020-12-04 10:23:50,496 WARN L838 $PredicateComparison]: unable to prove that (and (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~nondet7_6| (_ BitVec 64))) (let ((.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|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse0) (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 1.0) .cse0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64))) (let ((.cse1 (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|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .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))) (= .cse1 (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))) .cse2)) (= ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)) .cse2))))) is different from false [2020-12-04 10:23:55,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 10:23:55,116 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2020-12-04 10:23:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 10:23:55,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-12-04 10:23:55,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 10:23:55,128 INFO L225 Difference]: With dead ends: 16 [2020-12-04 10:23:55,128 INFO L226 Difference]: Without dead ends: 7 [2020-12-04 10:23:55,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=14, Invalid=13, Unknown=5, NotChecked=24, Total=56 [2020-12-04 10:23:55,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-12-04 10:23:55,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-12-04 10:23:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-12-04 10:23:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-12-04 10:23:55,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2020-12-04 10:23:55,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 10:23:55,171 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-12-04 10:23:55,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-04 10:23:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-12-04 10:23:55,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-04 10:23:55,172 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 10:23:55,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-04 10:23:55,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-04 10:23:55,387 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 10:23:55,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 10:23:55,390 INFO L82 PathProgramCache]: Analyzing trace with hash 889537510, now seen corresponding path program 1 times [2020-12-04 10:23:55,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-04 10:23:55,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813825780] [2020-12-04 10:23:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-04 10:23:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 10:23:57,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-04 10:23:57,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 10:23:59,568 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)) (|v_ULTIMATE.start_main_#t~nondet9_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 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~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.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|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3)) (= ((_ to_fp 8 24) c_~CRM .cse0) .cse2) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse3) (= ((_ 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))))))) is different from false [2020-12-04 10:24:02,044 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse1 (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 (= ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)) .cse0) (= .cse1 (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))) .cse0)) (= ((_ to_fp 8 24) roundNearestTiesToEven .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)))))) (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)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.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|))) (.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))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse5 (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 .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))) (= .cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse3) .cse4)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse5) .cse3) (= .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5))))) is different from false [2020-12-04 10:24:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-12-04 10:24:02,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-04 10:24:04,260 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.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|))) (.cse3 (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) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .cse1))))) is different from false [2020-12-04 10:24:06,471 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.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|))) (.cse3 (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) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .cse1))))) is different from true [2020-12-04 10:24:08,979 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_6| (_ 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_#t~nondet9_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_10 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse6 (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|))) (.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|))) (.cse7 (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))) (.cse4 (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|))) (.cse8 (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))) (.cse5 (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 (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= .cse1 .cse2)) (not (= .cse1 .cse3)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2))) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse3))) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse7)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (fp.eq .cse8 .cse5))))) is different from true [2020-12-04 10:24:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2020-12-04 10:24:08,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813825780] [2020-12-04 10:24:08,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-04 10:24:08,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-12-04 10:24:08,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181066476] [2020-12-04 10:24:08,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 10:24:08,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-04 10:24:08,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 10:24:08,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=10, Unknown=5, NotChecked=28, Total=56 [2020-12-04 10:24:08,986 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 8 states. [2020-12-04 10:24:11,876 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet10_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_6| (_ 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_#t~nondet9_8| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_10 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse6 (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|))) (.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|))) (.cse7 (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))) (.cse4 (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|))) (.cse8 (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))) (.cse5 (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 (= ((_ to_fp 11 53) c_~CRM 1.0) .cse0)) (not (= .cse1 .cse2)) (not (= .cse1 .cse3)) (not (= .cse4 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse2))) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse3))) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse5)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse7)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (fp.eq .cse8 .cse5)))))) is different from true [2020-12-04 10:24:14,962 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.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|))) (.cse3 (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) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .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)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse4 (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|))) (.cse6 (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))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_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|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse4) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse6) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse7) (= ((_ 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))))))) is different from false [2020-12-04 10:24:17,522 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_9 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.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|))) (.cse3 (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) .cse2))) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse3)) (not (fp.eq .cse3 .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)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.cse4 (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|))) (.cse6 (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))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_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|)))) (and (= ((_ to_fp 11 53) c_~CRM 1.0) .cse4) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse6) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse7) (= ((_ 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))))))) is different from true [2020-12-04 10:24:19,974 WARN L838 $PredicateComparison]: unable to prove that (and (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~nondet12_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_6|))) (.cse1 (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 (= ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0)) .cse0) (= .cse1 (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))) .cse0)) (= ((_ to_fp 8 24) roundNearestTiesToEven .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)))))) (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)) (|v_ULTIMATE.start_main_#t~nondet9_8| (_ BitVec 64))) (let ((.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|))) (.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))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_8|))) (.cse5 (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 .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))) (= .cse2 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse3) .cse4)) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse5) .cse3) (= .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 5.0 2.0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse5))))) is different from false [2020-12-04 10:24:24,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 10:24:24,672 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2020-12-04 10:24:24,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 10:24:24,673 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 6 [2020-12-04 10:24:24,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 10:24:24,674 INFO L225 Difference]: With dead ends: 11 [2020-12-04 10:24:24,674 INFO L226 Difference]: Without dead ends: 8 [2020-12-04 10:24:24,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.5s TimeCoverageRelationStatistics Valid=19, Invalid=12, Unknown=9, NotChecked=70, Total=110 [2020-12-04 10:24:24,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-12-04 10:24:24,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-12-04 10:24:24,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-12-04 10:24:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-12-04 10:24:24,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2020-12-04 10:24:24,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 10:24:24,680 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-12-04 10:24:24,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 10:24:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-12-04 10:24:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-04 10:24:24,681 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 10:24:24,682 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-12-04 10:24:24,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-04 10:24:24,883 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 10:24:24,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 10:24:24,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1805796550, now seen corresponding path program 2 times [2020-12-04 10:24:24,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-04 10:24:24,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865525755] [2020-12-04 10:24:24,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-04 10:24:27,751 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-04 10:24:27,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-04 10:24:27,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-04 10:24:27,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 10:24:30,213 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|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 ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse0 (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|))) (.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 (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ 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))) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1))))) is different from false [2020-12-04 10:24:32,737 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|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~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.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))) (.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|))) (.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))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse2 (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|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse0 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (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 .cse1) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse6)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse1) .cse2) (= .cse6 .cse0) (= ((_ 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)))))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-12-04 10:24:35,950 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64))) (let ((.cse1 (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|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (and (= (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))) .cse0) .cse1) (= ((_ 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))) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse0)))) (= roundNearestTiesToEven c_~CRM) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ 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))) (.cse7 (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|))) (.cse9 (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))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse8 (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|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse3 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (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 .cse4) (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse5) .cse6)) (= .cse7 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse8) .cse5) (= ((_ to_fp 8 24) c_~CRM .cse7) .cse9) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse4) .cse8) (= .cse6 .cse3))))) is different from false [2020-12-04 10:24:36,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 10:24:36,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-04 10:24:36,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-12-04 10:24:36,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-04 10:24:36,501 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-04 10:24:38,765 WARN L860 $PredicateComparison]: unable to prove that (or (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))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|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))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (or (not (fp.eq .cse0 .cse1)) (not (= ((_ to_fp 8 24) c_~CRM .cse2) .cse0)) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse3)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse3))))))) is different from true [2020-12-04 10:24:41,317 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet12_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_#t~nondet12_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.cse3 (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 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_14) ((_ extract 30 23) v_ULTIMATE.start_main_~main__x1~0_14) ((_ extract 22 0) v_ULTIMATE.start_main_~main__x1~0_14))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse5 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (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 (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3)) (fp.eq .cse4 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse3 .cse4)) (not (= ((_ to_fp 8 24) c_~CRM .cse0) .cse4)) (not (= .cse5 .cse6)) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse4) .cse6))) (not (= .cse1 .cse5))))) is different from true [2020-12-04 10:24:44,559 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~main__x~0_15 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_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~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ 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|))) (.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|))) (.cse8 (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|))) (.cse4 (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))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.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))) (.cse3 (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))) (.cse10 (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|))) (.cse6 (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))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse9 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (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 .cse4) .cse5) .cse1)) (fp.eq .cse6 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7))) (not (= .cse8 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse4)) (not (= .cse9 .cse5)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse11))) (not (fp.eq .cse3 .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse6)) (not (= .cse9 .cse7)) (not (= .cse11 .cse9))))) is different from true [2020-12-04 10:24:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-12-04 10:24:44,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865525755] [2020-12-04 10:24:44,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-04 10:24:44,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2020-12-04 10:24:44,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376450000] [2020-12-04 10:24:44,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-04 10:24:44,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-04 10:24:44,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-04 10:24:44,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=19, Unknown=6, NotChecked=66, Total=110 [2020-12-04 10:24:44,563 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 11 states. [2020-12-04 10:24:46,681 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~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_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~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_15 (_ 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|))) (.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|))) (.cse8 (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|))) (.cse4 (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))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.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))) (.cse3 (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))) (.cse10 (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|))) (.cse6 (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))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse9 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (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 .cse4) .cse5) .cse1)) (fp.eq .cse6 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (= .cse2 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7))) (not (= .cse8 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= ((_ to_fp 8 24) c_~CRM .cse8) .cse4)) (not (= .cse9 .cse5)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse11))) (not (fp.eq .cse3 .cse6)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse6)) (not (= .cse9 .cse7)) (not (= .cse11 .cse9)))))) is different from true [2020-12-04 10:24:48,917 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|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 ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse0 (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|))) (.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 (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ 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))) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_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_#t~nondet12_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.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))) (.cse4 (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|))) (.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|))) (.cse8 (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))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse9 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse4 (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))) .cse5))) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (fp.eq .cse8 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse7 .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (= .cse9 .cse10)) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse10))) (not (= .cse5 .cse9)))))) is different from false [2020-12-04 10:24:51,026 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|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 ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse0 (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|))) (.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 (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse2)) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2) (= .cse3 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ 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))) (= ((_ to_fp 8 24) c_~CRM .cse3) .cse1)))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_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_#t~nondet12_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64))) (let ((.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))) (.cse4 (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|))) (.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|))) (.cse8 (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))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse9 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (or (not (= .cse4 (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))) .cse5))) (not (= ((_ to_fp 8 24) c_~CRM .cse6) .cse7)) (fp.eq .cse8 ((_ to_fp 8 24) c_~CRM (_ bv0 32))) (not (fp.eq .cse7 .cse8)) (not (= ((_ to_fp 8 24) c_~CRM .cse4) .cse8)) (not (= .cse9 .cse10)) (not (= .cse6 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse10))) (not (= .cse5 .cse9)))))) is different from true [2020-12-04 10:24:55,415 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|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~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.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))) (.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|))) (.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))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse2 (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|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse0 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (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 .cse1) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse6)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse1) .cse2) (= .cse6 .cse0) (= ((_ 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)))))) (= roundNearestTiesToEven c_~CRM) (or (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))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse8 (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))) (.cse10 (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|))) (.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))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (or (not (fp.eq .cse8 .cse9)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse8)) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse11)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse11)))))))) is different from false [2020-12-04 10:24:57,436 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|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~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.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))) (.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|))) (.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))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse2 (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|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse0 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (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 .cse1) (= ((_ to_fp 8 24) c_~CRM .cse2) .cse3) (= .cse4 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse5 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse6)) (= ((_ to_fp 8 24) c_~CRM .cse4) .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse7) .cse1) .cse2) (= .cse6 .cse0) (= ((_ 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)))))) (= roundNearestTiesToEven c_~CRM) (or (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))) (forall ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x1~0_13 (_ BitVec 32))) (let ((.cse8 (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))) (.cse10 (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|))) (.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))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (or (not (fp.eq .cse8 .cse9)) (not (= ((_ to_fp 8 24) c_~CRM .cse10) .cse8)) (not (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse11)) (not (= .cse10 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse9) .cse11)))))))) is different from true [2020-12-04 10:25:00,321 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet12_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_10| (_ BitVec 64))) (let ((.cse1 (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|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_10|)))) (and (= (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))) .cse0) .cse1) (= ((_ 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))) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse0)))) (= roundNearestTiesToEven c_~CRM) (let ((.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)))) (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)) .cse2)) (fp.eq .cse2 ((_ to_fp 8 24) c_~CRM (_ bv0 32))))) (exists ((v_ULTIMATE.start_main_~main__x~0_12 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet7_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_9| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__x~0_11 (_ BitVec 32))) (let ((.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|))) (.cse6 (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))) (.cse8 (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|))) (.cse10 (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 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_10|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_10|))) (.cse9 (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|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)))) (and (= ((_ to_fp 8 24) c_~CRM .cse3) (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))) (= .cse4 .cse5) (= .cse3 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse6) .cse7)) (= .cse8 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 8 24) c_~CRM .cse9) .cse6) (= ((_ to_fp 8 24) c_~CRM .cse8) .cse10) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse10) .cse5) .cse9) (= .cse7 .cse4))))) is different from false [2020-12-04 10:25:05,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 10:25:05,104 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-12-04 10:25:05,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 10:25:05,105 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 7 [2020-12-04 10:25:05,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 10:25:05,105 INFO L225 Difference]: With dead ends: 12 [2020-12-04 10:25:05,105 INFO L226 Difference]: Without dead ends: 9 [2020-12-04 10:25:05,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.1s TimeCoverageRelationStatistics Valid=27, Invalid=21, Unknown=12, NotChecked=150, Total=210 [2020-12-04 10:25:05,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-12-04 10:25:05,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-12-04 10:25:05,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-12-04 10:25:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-12-04 10:25:05,119 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-12-04 10:25:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 10:25:05,120 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-12-04 10:25:05,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-04 10:25:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-12-04 10:25:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-04 10:25:05,121 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 10:25:05,121 INFO L422 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2020-12-04 10:25:05,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-04 10:25:05,324 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 10:25:05,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 10:25:05,327 INFO L82 PathProgramCache]: Analyzing trace with hash 145055718, now seen corresponding path program 3 times [2020-12-04 10:25:05,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-04 10:25:05,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137089595] [2020-12-04 10:25:05,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-04 10:25:10,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-04 10:25:10,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-04 10:25:10,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-04 10:25:10,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 10:25:12,696 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet7_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_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~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse1 (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|))) (.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)))) (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))) (= .cse1 ((_ to_fp 11 53) c_~CRM 1.0)) (= ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0)) .cse2) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse2)) (= ((_ to_fp 8 24) c_~CRM .cse1) .cse3))))) is different from false [2020-12-04 10:25:15,230 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~nondet12_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet10_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_14| (_ 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|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse6 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.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))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_14|))) (.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|))) (.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|))) (.cse3 (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 (= ((_ 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))) (= .cse0 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse3) .cse4)) (= .cse5 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse6 .cse4) (= .cse6 .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse1) .cse7) .cse2) (= ((_ to_fp 8 24) c_~CRM .cse5) .cse3))))) is different from false [2020-12-04 10:25:18,309 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet12_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~nondet12_14| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet13_15| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet9_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 ((.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|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_12|))) (.cse4 ((_ to_fp 11 53) c_~CRM (/ 5.0 2.0))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_15|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_15|))) (.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))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_14|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_14|))) (.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|))) (.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))) (.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|))) (.cse10 (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|))) (.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 (= .cse0 ((_ to_fp 8 24) c_~CRM .cse1)) (= .cse1 (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse2) .cse3)) (= .cse4 .cse5) (= .cse6 ((_ to_fp 11 53) c_~CRM 1.0)) (= .cse4 .cse3) (= .cse4 .cse7) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse8) .cse5) .cse9) (= (fp.div c_~CRM ((_ to_fp 11 53) c_~CRM .cse0) .cse7) .cse10) (= ((_ to_fp 8 24) c_~CRM .cse6) .cse2) (= ((_ to_fp 8 24) c_~CRM .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))) (= ((_ to_fp 8 24) c_~CRM .cse10) .cse8))))) is different from false [2020-12-04 10:25:21,402 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-04 10:25:21,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137089595] [2020-12-04 10:25:21,405 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") [2020-12-04 10:25:21,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [675084943] [2020-12-04 10:25:21,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt [2020-12-04 10:25:26,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-04 10:25:26,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-04 10:25:26,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-04 10:25:26,526 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@2a7e8603 [2020-12-04 10:25:26,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593553036] [2020-12-04 10:25:26,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 10:27:49,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-04 10:27:49,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-04 10:27:50,070 WARN L261 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-04 10:27:50,071 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@2a7e8603 [2020-12-04 10:27:50,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-04 10:27:50,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-04 10:27:50,071 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-12-04 10:27:50,071 INFO L523 BasicCegarLoop]: Counterexample might be feasible [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2020-12-04 10:27:50,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 10:27:50,718 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-04 10:27:50,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 10:27:50 BoogieIcfgContainer [2020-12-04 10:27:50,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 10:27:50,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 10:27:50,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 10:27:50,725 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 10:27:50,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 10:23:29" (3/4) ... [2020-12-04 10:27:50,735 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-04 10:27:50,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 10:27:50,746 INFO L168 Benchmark]: Toolchain (without parser) took 266226.12 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 29.0 MB in the beginning and 35.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-12-04 10:27:50,751 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 37.8 MB in the beginning and 37.8 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 10:27:50,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.15 ms. Allocated memory is still 52.4 MB. Free memory was 28.8 MB in the beginning and 32.0 MB in the end (delta: -3.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-12-04 10:27:50,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 52.4 MB. Free memory was 31.9 MB in the beginning and 30.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-04 10:27:50,767 INFO L168 Benchmark]: Boogie Preprocessor took 29.89 ms. Allocated memory is still 52.4 MB. Free memory was 30.4 MB in the beginning and 29.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 10:27:50,769 INFO L168 Benchmark]: RCFGBuilder took 4601.79 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 29.2 MB in the beginning and 46.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-12-04 10:27:50,770 INFO L168 Benchmark]: TraceAbstraction took 261144.96 ms. Allocated memory is still 69.2 MB. Free memory was 46.1 MB in the beginning and 36.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-04 10:27:50,771 INFO L168 Benchmark]: Witness Printer took 20.41 ms. Allocated memory is still 69.2 MB. Free memory was 36.3 MB in the beginning and 35.8 MB in the end (delta: 520.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 10:27:50,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 37.8 MB in the beginning and 37.8 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.15 ms. Allocated memory is still 52.4 MB. Free memory was 28.8 MB in the beginning and 32.0 MB in the end (delta: -3.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 52.4 MB. Free memory was 31.9 MB in the beginning and 30.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.89 ms. Allocated memory is still 52.4 MB. Free memory was 30.4 MB in the beginning and 29.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 4601.79 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 29.2 MB in the beginning and 46.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 261144.96 ms. Allocated memory is still 69.2 MB. Free memory was 46.1 MB in the beginning and 36.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 20.41 ms. Allocated memory is still 69.2 MB. Free memory was 36.3 MB in the beginning and 35.8 MB in the end (delta: 520.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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 2.5 [L10] EXPR main__x / 2.5 [L10] float main__x1 = main__x / 2.5; [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR 2.5 [L15] EXPR main__x / 2.5 [L15] main__x1 = main__x / 2.5 [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR 2.5 [L15] EXPR main__x / 2.5 [L15] main__x1 = main__x / 2.5 [L12] COND TRUE main__x1 != main__x [L14] main__x = main__x1 [L15] EXPR 2.5 [L15] EXPR main__x / 2.5 [L15] main__x1 = main__x / 2.5 [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 [L27] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 261.0s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 53.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 34 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 16.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 71.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 35.3s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 12 QuantifiedInterpolants, 8861 SizeOfPredicates, 13 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/8 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...