./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1072c.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 16ce03a3dd69e51494a274d069b94d6f99b72863 ................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1072c.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 16ce03a3dd69e51494a274d069b94d6f99b72863 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:39:51,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:39:51,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:39:51,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:39:51,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:39:51,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:39:51,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:39:51,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:39:51,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:39:51,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:39:51,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:39:51,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:39:51,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:39:51,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:39:51,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:39:51,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:39:51,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:39:51,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:39:51,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:39:51,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:39:51,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:39:51,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:39:51,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:39:51,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:39:51,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:39:51,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:39:51,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:39:51,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:39:51,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:39:51,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:39:51,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:39:51,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:39:51,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:39:51,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:39:51,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:39:51,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:39:51,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:39:51,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:39:51,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:39:51,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:39:51,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:39:51,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:39:51,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:39:51,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:39:51,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:39:51,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:39:51,520 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:39:51,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:39:51,521 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:39:51,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:39:51,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:39:51,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:39:51,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:39:51,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:39:51,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:39:51,522 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:39:51,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:39:51,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:39:51,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:39:51,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:39:51,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:39:51,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:39:51,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:39:51,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:39:51,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:39:51,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:39:51,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:39:51,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:39:51,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:39:51,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:39:51,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:39:51,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ce03a3dd69e51494a274d069b94d6f99b72863 [2020-10-20 00:39:51,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:39:51,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:39:51,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:39:51,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:39:51,819 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:39:51,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-10-20 00:39:51,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2e1f854b/6b05c2233d644418b25051376667c456/FLAG8f0d708cc [2020-10-20 00:39:52,484 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:39:52,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-10-20 00:39:52,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2e1f854b/6b05c2233d644418b25051376667c456/FLAG8f0d708cc [2020-10-20 00:39:52,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2e1f854b/6b05c2233d644418b25051376667c456 [2020-10-20 00:39:52,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:39:52,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:39:52,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:39:52,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:39:52,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:39:52,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:39:52" (1/1) ... [2020-10-20 00:39:52,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396aed63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:52, skipping insertion in model container [2020-10-20 00:39:52,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:39:52" (1/1) ... [2020-10-20 00:39:52,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:39:52,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:39:52,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:39:53,006 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:39:53,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:39:53,080 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:39:53,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53 WrapperNode [2020-10-20 00:39:53,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:39:53,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:39:53,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:39:53,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:39:53,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... [2020-10-20 00:39:53,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... [2020-10-20 00:39:53,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:39:53,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:39:53,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:39:53,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:39:53,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... [2020-10-20 00:39:53,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... [2020-10-20 00:39:53,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... [2020-10-20 00:39:53,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... [2020-10-20 00:39:53,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... [2020-10-20 00:39:53,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... [2020-10-20 00:39:53,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... [2020-10-20 00:39:53,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:39:53,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:39:53,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:39:53,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:39:53,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:39:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:39:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:39:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:39:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:39:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:39:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:39:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:39:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:39:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:39:53,611 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:39:53,611 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-20 00:39:53,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:39:53 BoogieIcfgContainer [2020-10-20 00:39:53,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:39:53,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:39:53,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:39:53,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:39:53,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:39:52" (1/3) ... [2020-10-20 00:39:53,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8fe8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:39:53, skipping insertion in model container [2020-10-20 00:39:53,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:53" (2/3) ... [2020-10-20 00:39:53,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8fe8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:39:53, skipping insertion in model container [2020-10-20 00:39:53,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:39:53" (3/3) ... [2020-10-20 00:39:53,626 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072c.c [2020-10-20 00:39:53,653 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:39:53,666 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:39:53,708 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:39:53,753 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:39:53,753 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:39:53,753 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:39:53,754 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:39:53,754 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:39:53,754 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:39:53,755 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:39:53,755 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:39:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-20 00:39:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:39:53,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:39:53,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:39:53,780 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:39:53,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:39:53,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1945115165, now seen corresponding path program 1 times [2020-10-20 00:39:53,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:39:53,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967445678] [2020-10-20 00:39:53,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:39:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:39:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:39:53,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967445678] [2020-10-20 00:39:53,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:39:53,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:39:53,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671616461] [2020-10-20 00:39:53,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:39:53,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:39:53,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:39:53,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:39:53,974 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-10-20 00:39:53,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:39:53,994 INFO L93 Difference]: Finished difference Result 49 states and 73 transitions. [2020-10-20 00:39:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:39:53,996 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:39:53,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:39:54,006 INFO L225 Difference]: With dead ends: 49 [2020-10-20 00:39:54,007 INFO L226 Difference]: Without dead ends: 22 [2020-10-20 00:39:54,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:39:54,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-20 00:39:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-20 00:39:54,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-20 00:39:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2020-10-20 00:39:54,044 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 10 [2020-10-20 00:39:54,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:39:54,044 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-10-20 00:39:54,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:39:54,045 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2020-10-20 00:39:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:39:54,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:39:54,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:39:54,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:39:54,047 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:39:54,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:39:54,047 INFO L82 PathProgramCache]: Analyzing trace with hash -390192032, now seen corresponding path program 1 times [2020-10-20 00:39:54,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:39:54,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137261460] [2020-10-20 00:39:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:39:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:39:54,114 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:39:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:39:54,174 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:39:54,201 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:39:54,202 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:39:54,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:39:54,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:39:54 BoogieIcfgContainer [2020-10-20 00:39:54,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:39:54,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:39:54,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:39:54,237 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:39:54,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:39:53" (3/4) ... [2020-10-20 00:39:54,241 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:39:54,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:39:54,245 INFO L168 Benchmark]: Toolchain (without parser) took 1508.60 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 24.6 MB in the beginning and 11.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:54,246 INFO L168 Benchmark]: CDTParser took 1.02 ms. Allocated memory is still 32.5 MB. Free memory was 11.7 MB in the beginning and 11.7 MB in the end (delta: 48.2 kB). Peak memory consumption was 48.2 kB. Max. memory is 14.3 GB. [2020-10-20 00:39:54,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.74 ms. Allocated memory is still 43.5 MB. Free memory was 23.7 MB in the beginning and 24.7 MB in the end (delta: -987.0 kB). Peak memory consumption was 14.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:54,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.50 ms. Allocated memory is still 43.5 MB. Free memory was 24.7 MB in the beginning and 22.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:54,248 INFO L168 Benchmark]: Boogie Preprocessor took 37.78 ms. Allocated memory is still 43.5 MB. Free memory was 22.7 MB in the beginning and 21.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:54,250 INFO L168 Benchmark]: RCFGBuilder took 440.79 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 20.9 MB in the beginning and 20.8 MB in the end (delta: 48.1 kB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:54,251 INFO L168 Benchmark]: TraceAbstraction took 620.47 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 20.3 MB in the beginning and 12.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:39:54,252 INFO L168 Benchmark]: Witness Printer took 5.58 ms. Allocated memory is still 46.1 MB. Free memory was 12.5 MB in the beginning and 11.9 MB in the end (delta: 600.1 kB). Peak memory consumption was 600.1 kB. Max. memory is 14.3 GB. [2020-10-20 00:39:54,258 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 ms. Allocated memory is still 32.5 MB. Free memory was 11.7 MB in the beginning and 11.7 MB in the end (delta: 48.2 kB). Peak memory consumption was 48.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 339.74 ms. Allocated memory is still 43.5 MB. Free memory was 23.7 MB in the beginning and 24.7 MB in the end (delta: -987.0 kB). Peak memory consumption was 14.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 52.50 ms. Allocated memory is still 43.5 MB. Free memory was 24.7 MB in the beginning and 22.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 37.78 ms. Allocated memory is still 43.5 MB. Free memory was 22.7 MB in the beginning and 21.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 440.79 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 20.9 MB in the beginning and 20.8 MB in the end (delta: 48.1 kB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 620.47 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 20.3 MB in the beginning and 12.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. * Witness Printer took 5.58 ms. Allocated memory is still 46.1 MB. Free memory was 12.5 MB in the beginning and 11.9 MB in the end (delta: 600.1 kB). Peak memory consumption was 600.1 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of bitwiseAnd at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 40. Possible FailurePath: [L64] float x = 0.0f; [L15] __int32_t signbit, w, exponent_less_127; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L21] signbit = w & 0x80000000 [L22] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L23] COND FALSE !(exponent_less_127 < 23) [L39] COND TRUE exponent_less_127 == 255 [L40] return x + x; [L65] float res = trunc_float(x); [L68] EXPR res == 0.0f && __signbit_float(res) == 0 [L68] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L4] __assert_fail("0", "float_req_bl_1072c.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:39:56,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:39:56,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:39:56,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:39:56,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:39:56,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:39:56,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:39:56,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:39:56,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:39:56,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:39:56,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:39:56,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:39:56,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:39:56,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:39:56,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:39:56,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:39:56,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:39:56,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:39:56,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:39:56,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:39:56,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:39:56,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:39:56,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:39:56,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:39:56,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:39:56,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:39:56,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:39:56,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:39:56,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:39:56,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:39:56,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:39:56,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:39:56,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:39:56,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:39:56,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:39:56,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:39:56,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:39:56,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:39:56,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:39:56,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:39:56,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:39:56,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:39:56,623 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:39:56,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:39:56,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:39:56,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:39:56,626 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:39:56,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:39:56,626 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:39:56,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:39:56,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:39:56,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:39:56,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:39:56,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:39:56,628 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:39:56,628 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:39:56,628 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:39:56,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:39:56,629 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:39:56,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:39:56,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:39:56,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:39:56,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:39:56,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:39:56,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:39:56,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:39:56,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:39:56,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:39:56,632 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:39:56,632 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:39:56,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:39:56,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:39:56,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:39:56,633 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ce03a3dd69e51494a274d069b94d6f99b72863 [2020-10-20 00:39:56,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:39:56,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:39:56,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:39:56,860 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:39:56,861 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:39:56,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-10-20 00:39:56,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b092f77f2/a14e85c400084257955193dba1ad0b2d/FLAG3d325341f [2020-10-20 00:39:57,420 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:39:57,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-10-20 00:39:57,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b092f77f2/a14e85c400084257955193dba1ad0b2d/FLAG3d325341f [2020-10-20 00:39:57,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b092f77f2/a14e85c400084257955193dba1ad0b2d [2020-10-20 00:39:57,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:39:57,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:39:57,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:39:57,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:39:57,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:39:57,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:39:57" (1/1) ... [2020-10-20 00:39:57,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47483dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:57, skipping insertion in model container [2020-10-20 00:39:57,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:39:57" (1/1) ... [2020-10-20 00:39:57,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:39:57,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:39:58,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:39:58,086 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:39:58,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:39:58,131 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:39:58,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58 WrapperNode [2020-10-20 00:39:58,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:39:58,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:39:58,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:39:58,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:39:58,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... [2020-10-20 00:39:58,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... [2020-10-20 00:39:58,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:39:58,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:39:58,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:39:58,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:39:58,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... [2020-10-20 00:39:58,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... [2020-10-20 00:39:58,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... [2020-10-20 00:39:58,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... [2020-10-20 00:39:58,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... [2020-10-20 00:39:58,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... [2020-10-20 00:39:58,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... [2020-10-20 00:39:58,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:39:58,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:39:58,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:39:58,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:39:58,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:39:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:39:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:39:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-20 00:39:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:39:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:39:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:39:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-20 00:39:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:39:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:39:58,707 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:39:58,708 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-20 00:39:58,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:39:58 BoogieIcfgContainer [2020-10-20 00:39:58,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:39:58,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:39:58,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:39:58,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:39:58,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:39:57" (1/3) ... [2020-10-20 00:39:58,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65780e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:39:58, skipping insertion in model container [2020-10-20 00:39:58,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:39:58" (2/3) ... [2020-10-20 00:39:58,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65780e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:39:58, skipping insertion in model container [2020-10-20 00:39:58,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:39:58" (3/3) ... [2020-10-20 00:39:58,739 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072c.c [2020-10-20 00:39:58,751 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:39:58,757 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:39:58,768 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:39:58,794 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:39:58,795 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:39:58,795 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:39:58,795 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:39:58,799 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:39:58,799 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:39:58,799 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:39:58,799 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:39:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-20 00:39:58,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:39:58,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:39:58,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:39:58,833 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:39:58,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:39:58,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1945115165, now seen corresponding path program 1 times [2020-10-20 00:39:58,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:39:58,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594102218] [2020-10-20 00:39:58,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:39:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:39:58,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:39:58,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:39:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:39:58,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:39:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:39:58,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594102218] [2020-10-20 00:39:58,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:39:58,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:39:58,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121245444] [2020-10-20 00:39:58,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:39:58,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:39:59,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:39:59,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:39:59,008 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-10-20 00:39:59,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:39:59,029 INFO L93 Difference]: Finished difference Result 49 states and 73 transitions. [2020-10-20 00:39:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:39:59,030 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:39:59,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:39:59,040 INFO L225 Difference]: With dead ends: 49 [2020-10-20 00:39:59,041 INFO L226 Difference]: Without dead ends: 22 [2020-10-20 00:39:59,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:39:59,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-20 00:39:59,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-20 00:39:59,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-20 00:39:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2020-10-20 00:39:59,077 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 10 [2020-10-20 00:39:59,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:39:59,078 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-10-20 00:39:59,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:39:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2020-10-20 00:39:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:39:59,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:39:59,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:39:59,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:39:59,280 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:39:59,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:39:59,281 INFO L82 PathProgramCache]: Analyzing trace with hash -390192032, now seen corresponding path program 1 times [2020-10-20 00:39:59,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:39:59,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478389021] [2020-10-20 00:39:59,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:39:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:39:59,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:39:59,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:39:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:39:59,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:39:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:39:59,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478389021] [2020-10-20 00:39:59,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:39:59,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:39:59,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788645105] [2020-10-20 00:39:59,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:39:59,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:39:59,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:39:59,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:39:59,561 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand 8 states. [2020-10-20 00:39:59,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:39:59,714 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2020-10-20 00:39:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:39:59,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-20 00:39:59,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:39:59,716 INFO L225 Difference]: With dead ends: 32 [2020-10-20 00:39:59,717 INFO L226 Difference]: Without dead ends: 19 [2020-10-20 00:39:59,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-20 00:39:59,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-20 00:39:59,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-20 00:39:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-20 00:39:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-10-20 00:39:59,724 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 11 [2020-10-20 00:39:59,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:39:59,725 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-10-20 00:39:59,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:39:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-10-20 00:39:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 00:39:59,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:39:59,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:39:59,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:39:59,940 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:39:59,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:39:59,941 INFO L82 PathProgramCache]: Analyzing trace with hash -675711906, now seen corresponding path program 1 times [2020-10-20 00:39:59,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:39:59,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163720899] [2020-10-20 00:39:59,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:40:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:40:00,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 00:40:00,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:40:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:00,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:40:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:00,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163720899] [2020-10-20 00:40:00,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:40:00,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 10 [2020-10-20 00:40:00,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340258021] [2020-10-20 00:40:00,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 00:40:00,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:40:00,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 00:40:00,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:40:00,211 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2020-10-20 00:40:00,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:40:00,361 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-10-20 00:40:00,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 00:40:00,362 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-20 00:40:00,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:40:00,363 INFO L225 Difference]: With dead ends: 22 [2020-10-20 00:40:00,363 INFO L226 Difference]: Without dead ends: 19 [2020-10-20 00:40:00,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-20 00:40:00,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-20 00:40:00,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-20 00:40:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-20 00:40:00,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-10-20 00:40:00,370 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-10-20 00:40:00,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:40:00,371 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-10-20 00:40:00,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 00:40:00,371 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-10-20 00:40:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 00:40:00,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:40:00,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:40:00,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:40:00,586 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:40:00,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:40:00,586 INFO L82 PathProgramCache]: Analyzing trace with hash 438125939, now seen corresponding path program 1 times [2020-10-20 00:40:00,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:40:00,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279115568] [2020-10-20 00:40:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 00:40:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:40:00,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 19 conjunts are in the unsatisfiable core [2020-10-20 00:40:00,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:40:00,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:40:00,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:00,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:40:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:01,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279115568] [2020-10-20 00:40:01,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:40:01,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-10-20 00:40:01,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885035708] [2020-10-20 00:40:01,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-20 00:40:01,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:40:01,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-20 00:40:01,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-20 00:40:01,214 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 18 states. [2020-10-20 00:40:01,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:40:01,598 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-20 00:40:01,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 00:40:01,599 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2020-10-20 00:40:01,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:40:01,600 INFO L225 Difference]: With dead ends: 19 [2020-10-20 00:40:01,600 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:40:01,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-20 00:40:01,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:40:01,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:40:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:40:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:40:01,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-20 00:40:01,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:40:01,603 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:40:01,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-20 00:40:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:40:01,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:40:01,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 00:40:01,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:40:02,017 INFO L274 CegarLoopResult]: For program point L23(lines 23 41) no Hoare annotation was computed. [2020-10-20 00:40:02,018 INFO L274 CegarLoopResult]: For program point L23-1(lines 23 41) no Hoare annotation was computed. [2020-10-20 00:40:02,018 INFO L274 CegarLoopResult]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2020-10-20 00:40:02,018 INFO L270 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (= (_ +zero 8 24) |ULTIMATE.start_trunc_float_#res|) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) [2020-10-20 00:40:02,018 INFO L274 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2020-10-20 00:40:02,018 INFO L277 CegarLoopResult]: At program point L73(lines 57 74) the Hoare annotation is: true [2020-10-20 00:40:02,018 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:40:02,019 INFO L274 CegarLoopResult]: For program point L32-1(lines 32 36) no Hoare annotation was computed. [2020-10-20 00:40:02,019 INFO L270 CegarLoopResult]: At program point L32-2(lines 32 36) the Hoare annotation is: false [2020-10-20 00:40:02,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:40:02,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:40:02,019 INFO L274 CegarLoopResult]: For program point L24(lines 24 37) no Hoare annotation was computed. [2020-10-20 00:40:02,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:40:02,019 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-10-20 00:40:02,020 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) [2020-10-20 00:40:02,020 INFO L274 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2020-10-20 00:40:02,020 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-20 00:40:02,020 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-10-20 00:40:02,020 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:40:02,020 INFO L270 CegarLoopResult]: At program point L54(lines 45 55) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (= (_ +zero 8 24) |ULTIMATE.start_trunc_float_#res|) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1))) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) [2020-10-20 00:40:02,021 INFO L270 CegarLoopResult]: At program point L42(lines 14 43) the Hoare annotation is: (and (= (_ +zero 8 24) |ULTIMATE.start_trunc_float_#res|) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) [2020-10-20 00:40:02,021 INFO L274 CegarLoopResult]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2020-10-20 00:40:02,021 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 30) the Hoare annotation is: (and (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) [2020-10-20 00:40:02,021 INFO L274 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-10-20 00:40:02,021 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-20 00:40:02,022 INFO L274 CegarLoopResult]: For program point L68-2(lines 68 71) no Hoare annotation was computed. [2020-10-20 00:40:02,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:40:02 BoogieIcfgContainer [2020-10-20 00:40:02,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:40:02,066 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:40:02,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:40:02,066 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:40:02,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:39:58" (3/4) ... [2020-10-20 00:40:02,082 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:40:02,099 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-10-20 00:40:02,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 00:40:02,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 00:40:02,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:40:02,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-10-20 00:40:02,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~Pluszero~LONGDOUBLE() == \result && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-10-20 00:40:02,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-10-20 00:40:02,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-10-20 00:40:02,158 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:40:02,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:40:02,161 INFO L168 Benchmark]: Toolchain (without parser) took 4377.30 ms. Allocated memory was 35.7 MB in the beginning and 56.1 MB in the end (delta: 20.4 MB). Free memory was 9.4 MB in the beginning and 35.4 MB in the end (delta: -26.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,162 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 35.1 MB. Free memory was 13.9 MB in the beginning and 13.9 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.67 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 8.5 MB in the beginning and 26.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 7.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 44.6 MB. Free memory was 25.9 MB in the beginning and 24.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,164 INFO L168 Benchmark]: Boogie Preprocessor took 35.86 ms. Allocated memory is still 44.6 MB. Free memory was 24.1 MB in the beginning and 22.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,168 INFO L168 Benchmark]: RCFGBuilder took 493.49 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 22.1 MB in the beginning and 16.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,169 INFO L168 Benchmark]: TraceAbstraction took 3339.07 ms. Allocated memory was 46.7 MB in the beginning and 56.1 MB in the end (delta: 9.4 MB). Free memory was 15.8 MB in the beginning and 10.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,169 INFO L168 Benchmark]: Witness Printer took 93.16 ms. Allocated memory is still 56.1 MB. Free memory was 10.5 MB in the beginning and 35.4 MB in the end (delta: -24.9 MB). Peak memory consumption was 467.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 35.1 MB. Free memory was 13.9 MB in the beginning and 13.9 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 342.67 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 8.5 MB in the beginning and 26.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 7.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 44.6 MB. Free memory was 25.9 MB in the beginning and 24.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 35.86 ms. Allocated memory is still 44.6 MB. Free memory was 24.1 MB in the beginning and 22.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 493.49 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 22.1 MB in the beginning and 16.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3339.07 ms. Allocated memory was 46.7 MB in the beginning and 56.1 MB in the end (delta: 9.4 MB). Free memory was 15.8 MB in the beginning and 10.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 14.3 GB. * Witness Printer took 93.16 ms. Allocated memory is still 56.1 MB. Free memory was 10.5 MB in the beginning and 35.4 MB in the end (delta: -24.9 MB). Peak memory consumption was 467.7 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant [2020-10-20 00:40:02,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((~Pluszero~LONGDOUBLE() == \result && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 45]: Loop Invariant [2020-10-20 00:40:02,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 26]: Loop Invariant [2020-10-20 00:40:02,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant [2020-10-20 00:40:02,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-10-20 00:40:02,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 62 SDtfs, 187 SDslu, 79 SDs, 0 SdLazy, 83 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 236 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 19 QuantifiedInterpolants, 8738 SizeOfPredicates, 29 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...