./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0460.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_0460.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 f20475ab6d17cfeab8fbd372e0eb3195557ca895 .................................................................................................................................................................................................................................................................................................... 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_0460.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 f20475ab6d17cfeab8fbd372e0eb3195557ca895 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:34:16,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:34:16,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:34:16,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:34:16,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:34:16,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:34:16,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:34:16,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:34:16,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:34:16,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:34:16,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:34:16,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:34:16,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:34:16,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:34:16,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:34:16,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:34:16,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:34:16,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:34:16,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:34:16,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:34:16,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:34:16,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:34:16,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:34:16,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:34:16,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:34:16,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:34:16,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:34:16,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:34:16,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:34:16,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:34:16,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:34:16,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:34:16,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:34:16,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:34:16,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:34:16,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:34:16,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:34:16,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:34:16,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:34:16,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:34:16,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:34:16,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:34:16,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:34:16,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:34:16,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:34:16,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:34:16,447 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:34:16,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:34:16,448 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:34:16,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:34:16,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:34:16,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:34:16,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:34:16,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:34:16,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:34:16,449 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:34:16,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:34:16,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:34:16,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:34:16,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:34:16,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:34:16,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:34:16,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:34:16,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:34:16,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:34:16,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:34:16,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:34:16,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:34:16,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:34:16,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:34:16,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:34:16,452 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 -> f20475ab6d17cfeab8fbd372e0eb3195557ca895 [2020-10-20 00:34:16,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:34:16,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:34:16,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:34:16,691 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:34:16,691 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:34:16,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2020-10-20 00:34:16,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a397c301c/dd8b046aec1a494c9ef5efb1a2eba8e4/FLAGe1231651d [2020-10-20 00:34:17,320 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:34:17,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2020-10-20 00:34:17,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a397c301c/dd8b046aec1a494c9ef5efb1a2eba8e4/FLAGe1231651d [2020-10-20 00:34:17,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a397c301c/dd8b046aec1a494c9ef5efb1a2eba8e4 [2020-10-20 00:34:17,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:34:17,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:34:17,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:34:17,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:34:17,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:34:17,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:34:17" (1/1) ... [2020-10-20 00:34:17,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554c9e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:17, skipping insertion in model container [2020-10-20 00:34:17,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:34:17" (1/1) ... [2020-10-20 00:34:17,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:34:17,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:34:18,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:34:18,180 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:34:18,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:34:18,270 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:34:18,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18 WrapperNode [2020-10-20 00:34:18,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:34:18,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:34:18,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:34:18,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:34:18,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (1/1) ... [2020-10-20 00:34:18,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (1/1) ... [2020-10-20 00:34:18,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:34:18,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:34:18,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:34:18,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:34:18,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (1/1) ... [2020-10-20 00:34:18,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (1/1) ... [2020-10-20 00:34:18,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (1/1) ... [2020-10-20 00:34:18,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (1/1) ... [2020-10-20 00:34:18,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (1/1) ... [2020-10-20 00:34:18,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (1/1) ... [2020-10-20 00:34:18,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (1/1) ... [2020-10-20 00:34:18,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:34:18,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:34:18,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:34:18,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:34:18,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (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 00:34:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:34:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:34:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:34:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:34:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:34:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:34:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:34:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:34:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:34:19,119 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:34:19,119 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-20 00:34:19,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:34:19 BoogieIcfgContainer [2020-10-20 00:34:19,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:34:19,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:34:19,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:34:19,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:34:19,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:34:17" (1/3) ... [2020-10-20 00:34:19,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef39337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:34:19, skipping insertion in model container [2020-10-20 00:34:19,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:18" (2/3) ... [2020-10-20 00:34:19,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef39337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:34:19, skipping insertion in model container [2020-10-20 00:34:19,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:34:19" (3/3) ... [2020-10-20 00:34:19,130 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2020-10-20 00:34:19,142 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:34:19,150 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:34:19,165 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:34:19,191 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:34:19,191 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:34:19,191 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:34:19,191 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:34:19,191 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:34:19,192 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:34:19,192 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:34:19,192 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:34:19,210 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-10-20 00:34:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:34:19,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:34:19,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:34:19,218 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:34:19,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:34:19,224 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2020-10-20 00:34:19,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:34:19,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404451671] [2020-10-20 00:34:19,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:34:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:34:19,425 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 00:34:19,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404451671] [2020-10-20 00:34:19,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:34:19,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:34:19,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225613311] [2020-10-20 00:34:19,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:34:19,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:34:19,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:34:19,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:34:19,447 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-10-20 00:34:19,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:34:19,477 INFO L93 Difference]: Finished difference Result 146 states and 239 transitions. [2020-10-20 00:34:19,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:34:19,479 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:34:19,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:34:19,492 INFO L225 Difference]: With dead ends: 146 [2020-10-20 00:34:19,492 INFO L226 Difference]: Without dead ends: 70 [2020-10-20 00:34:19,496 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 00:34:19,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-20 00:34:19,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-10-20 00:34:19,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-20 00:34:19,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2020-10-20 00:34:19,541 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2020-10-20 00:34:19,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:34:19,541 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2020-10-20 00:34:19,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:34:19,542 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-10-20 00:34:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:34:19,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:34:19,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:34:19,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:34:19,543 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:34:19,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:34:19,544 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2020-10-20 00:34:19,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:34:19,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966089749] [2020-10-20 00:34:19,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:34:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:34:19,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:34:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:34:19,658 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:34:19,697 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:34:19,698 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:34:19,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:34:19,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:34:19 BoogieIcfgContainer [2020-10-20 00:34:19,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:34:19,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:34:19,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:34:19,748 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:34:19,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:34:19" (3/4) ... [2020-10-20 00:34:19,753 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:34:19,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:34:19,757 INFO L168 Benchmark]: Toolchain (without parser) took 2098.39 ms. Allocated memory was 35.1 MB in the beginning and 47.2 MB in the end (delta: 12.1 MB). Free memory was 14.5 MB in the beginning and 8.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:34:19,758 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 33.0 MB. Free memory was 9.2 MB in the beginning and 9.1 MB in the end (delta: 62.9 kB). Peak memory consumption was 62.9 kB. Max. memory is 14.3 GB. [2020-10-20 00:34:19,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.26 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 13.6 MB in the beginning and 19.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:34:19,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.22 ms. Allocated memory is still 43.5 MB. Free memory was 19.8 MB in the beginning and 17.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:34:19,761 INFO L168 Benchmark]: Boogie Preprocessor took 91.85 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 17.0 MB in the beginning and 25.6 MB in the end (delta: -8.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:34:19,763 INFO L168 Benchmark]: RCFGBuilder took 700.36 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 25.6 MB in the beginning and 23.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:34:19,764 INFO L168 Benchmark]: TraceAbstraction took 624.77 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 22.8 MB in the beginning and 9.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:34:19,765 INFO L168 Benchmark]: Witness Printer took 5.97 ms. Allocated memory is still 47.2 MB. Free memory was 9.1 MB in the beginning and 8.4 MB in the end (delta: 663.6 kB). Peak memory consumption was 663.6 kB. Max. memory is 14.3 GB. [2020-10-20 00:34:19,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 33.0 MB. Free memory was 9.2 MB in the beginning and 9.1 MB in the end (delta: 62.9 kB). Peak memory consumption was 62.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 608.26 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 13.6 MB in the beginning and 19.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 57.22 ms. Allocated memory is still 43.5 MB. Free memory was 19.8 MB in the beginning and 17.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 91.85 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 17.0 MB in the beginning and 25.6 MB in the end (delta: -8.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 700.36 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 25.6 MB in the beginning and 23.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 624.77 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 22.8 MB in the beginning and 9.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 14.3 GB. * Witness Printer took 5.97 ms. Allocated memory is still 47.2 MB. Free memory was 9.1 MB in the beginning and 8.4 MB in the end (delta: 663.6 kB). Peak memory consumption was 663.6 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 89, overapproximation of bitwiseAnd at line 103. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L171] float x = __VERIFIER_nondet_float(); [L173] COND TRUE x < -1.0f || x > 1.0f [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L104] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L175] float res = __ieee754_acosf(x); [L15] return x != x; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L178] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0460.c", 3, "reach_error") VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 102 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=75occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 00:34:22,036 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:34:22,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:34:22,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:34:22,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:34:22,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:34:22,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:34:22,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:34:22,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:34:22,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:34:22,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:34:22,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:34:22,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:34:22,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:34:22,141 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:34:22,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:34:22,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:34:22,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:34:22,143 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:34:22,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:34:22,144 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:34:22,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:34:22,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:34:22,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:34:22,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:34:22,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:34:22,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:34:22,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:34:22,145 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:34:22,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:34:22,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:34:22,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:34:22,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:34:22,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:34:22,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:34:22,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:34:22,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:34:22,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:34:22,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:34:22,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:34:22,149 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:34:22,149 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:34:22,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:34:22,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:34:22,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:34:22,150 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 -> f20475ab6d17cfeab8fbd372e0eb3195557ca895 [2020-10-20 00:34:22,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:34:22,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:34:22,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:34:22,381 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:34:22,381 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:34:22,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2020-10-20 00:34:22,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128179fd1/1f3f0d24d0a9430eb763052d9286d9be/FLAG3f2991990 [2020-10-20 00:34:22,998 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:34:22,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2020-10-20 00:34:23,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128179fd1/1f3f0d24d0a9430eb763052d9286d9be/FLAG3f2991990 [2020-10-20 00:34:23,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128179fd1/1f3f0d24d0a9430eb763052d9286d9be [2020-10-20 00:34:23,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:34:23,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:34:23,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:34:23,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:34:23,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:34:23,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:23,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf1430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23, skipping insertion in model container [2020-10-20 00:34:23,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:23,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:34:23,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:34:23,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:34:23,800 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:34:23,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:34:23,905 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:34:23,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23 WrapperNode [2020-10-20 00:34:23,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:34:23,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:34:23,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:34:23,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:34:23,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:23,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:24,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:34:24,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:34:24,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:34:24,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:34:24,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:24,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:24,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:24,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:24,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:24,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:24,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (1/1) ... [2020-10-20 00:34:24,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:34:24,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:34:24,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:34:24,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:34:24,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (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 00:34:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:34:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:34:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-20 00:34:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:34:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:34:24,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:34:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-20 00:34:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:34:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:34:35,137 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:34:35,138 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-20 00:34:35,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:34:35 BoogieIcfgContainer [2020-10-20 00:34:35,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:34:35,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:34:35,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:34:35,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:34:35,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:34:23" (1/3) ... [2020-10-20 00:34:35,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fae484c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:34:35, skipping insertion in model container [2020-10-20 00:34:35,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:34:23" (2/3) ... [2020-10-20 00:34:35,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fae484c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:34:35, skipping insertion in model container [2020-10-20 00:34:35,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:34:35" (3/3) ... [2020-10-20 00:34:35,150 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2020-10-20 00:34:35,163 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:34:35,171 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:34:35,186 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:34:35,213 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:34:35,214 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:34:35,214 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:34:35,214 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:34:35,215 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:34:35,215 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:34:35,215 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:34:35,215 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:34:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-10-20 00:34:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:34:35,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:34:35,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:34:35,242 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:34:35,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:34:35,249 INFO L82 PathProgramCache]: Analyzing trace with hash 831444330, now seen corresponding path program 1 times [2020-10-20 00:34:35,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:34:35,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697555619] [2020-10-20 00:34:35,264 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 00:34:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:34:35,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:34:35,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:34:35,814 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 00:34:35,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:34:35,818 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 00:34:35,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697555619] [2020-10-20 00:34:35,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:34:35,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:34:35,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721665682] [2020-10-20 00:34:35,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:34:35,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:34:35,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:34:35,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:34:35,838 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-10-20 00:34:35,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:34:35,863 INFO L93 Difference]: Finished difference Result 146 states and 239 transitions. [2020-10-20 00:34:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:34:35,864 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:34:35,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:34:35,877 INFO L225 Difference]: With dead ends: 146 [2020-10-20 00:34:35,877 INFO L226 Difference]: Without dead ends: 70 [2020-10-20 00:34:35,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 00:34:35,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-20 00:34:35,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-10-20 00:34:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-20 00:34:35,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2020-10-20 00:34:35,927 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2020-10-20 00:34:35,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:34:35,928 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2020-10-20 00:34:35,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:34:35,928 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-10-20 00:34:35,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:34:35,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:34:35,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:34:36,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:34:36,144 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:34:36,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:34:36,145 INFO L82 PathProgramCache]: Analyzing trace with hash 947135698, now seen corresponding path program 1 times [2020-10-20 00:34:36,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:34:36,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811633524] [2020-10-20 00:34:36,159 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 00:34:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:34:36,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:34:36,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:34:36,799 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:34:36,905 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 00:34:36,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:34:37,045 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 00:34:37,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811633524] [2020-10-20 00:34:37,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:34:37,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:34:37,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885845414] [2020-10-20 00:34:37,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:34:37,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:34:37,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:34:37,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:34:37,052 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand 8 states. [2020-10-20 00:34:37,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:34:37,609 INFO L93 Difference]: Finished difference Result 75 states and 101 transitions. [2020-10-20 00:34:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:34:37,663 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-20 00:34:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:34:37,664 INFO L225 Difference]: With dead ends: 75 [2020-10-20 00:34:37,664 INFO L226 Difference]: Without dead ends: 13 [2020-10-20 00:34:37,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:34:37,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-20 00:34:37,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-20 00:34:37,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-20 00:34:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-10-20 00:34:37,670 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2020-10-20 00:34:37,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:34:37,670 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-10-20 00:34:37,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:34:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-10-20 00:34:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:34:37,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:34:37,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:34:37,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:34:37,885 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:34:37,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:34:37,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1154004402, now seen corresponding path program 1 times [2020-10-20 00:34:37,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:34:37,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428655686] [2020-10-20 00:34:37,888 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 00:34:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:34:38,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:34:38,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:34:40,542 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-10-20 00:34:42,849 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 00:34:42,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:34:45,459 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 00:34:45,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428655686] [2020-10-20 00:34:45,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:34:45,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-10-20 00:34:45,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166523387] [2020-10-20 00:34:45,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 00:34:45,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:34:45,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 00:34:45,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:34:45,462 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 9 states. [2020-10-20 00:34:50,598 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2020-10-20 00:34:55,643 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2020-10-20 00:34:59,753 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2020-10-20 00:34:59,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:34:59,755 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-10-20 00:34:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:34:59,755 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-10-20 00:34:59,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:34:59,756 INFO L225 Difference]: With dead ends: 13 [2020-10-20 00:34:59,756 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:34:59,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-20 00:34:59,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:34:59,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:34:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:34:59,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:34:59,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-20 00:34:59,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:34:59,758 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:34:59,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 00:34:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:34:59,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:34:59,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:34:59,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:35:01,947 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 39 [2020-10-20 00:35:03,929 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-20 00:35:03,936 INFO L277 CegarLoopResult]: At program point L184(lines 164 185) the Hoare annotation is: true [2020-10-20 00:35:03,936 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-10-20 00:35:03,936 INFO L274 CegarLoopResult]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2020-10-20 00:35:03,936 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:35:03,937 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:35:03,937 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:35:03,937 INFO L274 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2020-10-20 00:35:03,937 INFO L274 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2020-10-20 00:35:03,937 INFO L274 CegarLoopResult]: For program point L104(lines 104 111) no Hoare annotation was computed. [2020-10-20 00:35:03,937 INFO L270 CegarLoopResult]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2020-10-20 00:35:03,937 INFO L274 CegarLoopResult]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2020-10-20 00:35:03,937 INFO L270 CegarLoopResult]: At program point L55-6(lines 55 64) the Hoare annotation is: false [2020-10-20 00:35:03,938 INFO L274 CegarLoopResult]: For program point L55-7(lines 19 84) no Hoare annotation was computed. [2020-10-20 00:35:03,938 INFO L274 CegarLoopResult]: For program point L105(lines 105 108) no Hoare annotation was computed. [2020-10-20 00:35:03,938 INFO L274 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2020-10-20 00:35:03,938 INFO L274 CegarLoopResult]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2020-10-20 00:35:03,938 INFO L274 CegarLoopResult]: For program point L40-3(lines 40 44) no Hoare annotation was computed. [2020-10-20 00:35:03,938 INFO L274 CegarLoopResult]: For program point L40-5(lines 40 44) no Hoare annotation was computed. [2020-10-20 00:35:03,938 INFO L274 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-10-20 00:35:03,939 INFO L274 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2020-10-20 00:35:03,939 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2020-10-20 00:35:03,939 INFO L270 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2020-10-20 00:35:03,939 INFO L274 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-10-20 00:35:03,939 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2020-10-20 00:35:03,939 INFO L274 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-10-20 00:35:03,939 INFO L274 CegarLoopResult]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2020-10-20 00:35:03,939 INFO L270 CegarLoopResult]: At program point L24-6(lines 24 28) the Hoare annotation is: false [2020-10-20 00:35:03,939 INFO L274 CegarLoopResult]: For program point L24-7(lines 24 28) no Hoare annotation was computed. [2020-10-20 00:35:03,940 INFO L274 CegarLoopResult]: For program point L173(lines 173 182) no Hoare annotation was computed. [2020-10-20 00:35:03,940 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 182) no Hoare annotation was computed. [2020-10-20 00:35:03,940 INFO L274 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2020-10-20 00:35:03,940 INFO L270 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2020-10-20 00:35:03,940 INFO L274 CegarLoopResult]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2020-10-20 00:35:03,940 INFO L274 CegarLoopResult]: For program point L41-7(lines 41 42) no Hoare annotation was computed. [2020-10-20 00:35:03,940 INFO L270 CegarLoopResult]: At program point L41-8(lines 41 42) the Hoare annotation is: false [2020-10-20 00:35:03,940 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:35:03,941 INFO L274 CegarLoopResult]: For program point L41-9(lines 41 42) no Hoare annotation was computed. [2020-10-20 00:35:03,941 INFO L274 CegarLoopResult]: For program point L124(lines 124 161) no Hoare annotation was computed. [2020-10-20 00:35:03,941 INFO L274 CegarLoopResult]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2020-10-20 00:35:03,942 INFO L270 CegarLoopResult]: At program point L141-2(lines 141 145) the Hoare annotation is: false [2020-10-20 00:35:03,942 INFO L274 CegarLoopResult]: For program point L109(lines 109 111) no Hoare annotation was computed. [2020-10-20 00:35:03,942 INFO L270 CegarLoopResult]: At program point L160(lines 95 162) the Hoare annotation is: (and (or (exists ((v_prenex_5 RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0)))) (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0))))) (exists ((ULTIMATE.start___ieee754_acosf_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0))))) [2020-10-20 00:35:03,942 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:35:03,943 INFO L274 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2020-10-20 00:35:03,943 INFO L270 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2020-10-20 00:35:03,943 INFO L274 CegarLoopResult]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2020-10-20 00:35:03,943 INFO L274 CegarLoopResult]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2020-10-20 00:35:03,943 INFO L270 CegarLoopResult]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2020-10-20 00:35:03,944 INFO L274 CegarLoopResult]: For program point L78-7(lines 78 82) no Hoare annotation was computed. [2020-10-20 00:35:03,944 INFO L274 CegarLoopResult]: For program point L178(lines 178 181) no Hoare annotation was computed. [2020-10-20 00:35:03,944 INFO L274 CegarLoopResult]: For program point L112(lines 112 161) no Hoare annotation was computed. [2020-10-20 00:35:03,944 INFO L274 CegarLoopResult]: For program point L146(lines 146 150) no Hoare annotation was computed. [2020-10-20 00:35:03,944 INFO L274 CegarLoopResult]: For program point L113(lines 113 114) no Hoare annotation was computed. [2020-10-20 00:35:03,945 INFO L274 CegarLoopResult]: For program point L146-1(lines 136 161) no Hoare annotation was computed. [2020-10-20 00:35:03,945 INFO L274 CegarLoopResult]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2020-10-20 00:35:03,945 INFO L274 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-10-20 00:35:03,945 INFO L274 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2020-10-20 00:35:03,946 INFO L274 CegarLoopResult]: For program point L47-3(lines 47 48) no Hoare annotation was computed. [2020-10-20 00:35:03,946 INFO L274 CegarLoopResult]: For program point L47-5(lines 47 48) no Hoare annotation was computed. [2020-10-20 00:35:03,946 INFO L274 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-10-20 00:35:03,957 INFO L274 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-10-20 00:35:03,961 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (or (exists ((v_prenex_5 RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0)))) (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_acosf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_acosf_~ix~1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_acosf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0))))) (exists ((ULTIMATE.start___ieee754_acosf_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_acosf_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_acosf_~x ULTIMATE.start___ieee754_acosf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0))))) [2020-10-20 00:35:03,962 INFO L274 CegarLoopResult]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2020-10-20 00:35:03,962 INFO L270 CegarLoopResult]: At program point L98-2(lines 98 102) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_acosf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_5 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_acosf_~x (fp.neg ((_ to_fp 8 24) v_prenex_5 1.0)))))) [2020-10-20 00:35:03,962 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:35:03,962 INFO L274 CegarLoopResult]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2020-10-20 00:35:03,963 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:35:03,963 INFO L274 CegarLoopResult]: For program point L66(lines 66 75) no Hoare annotation was computed. [2020-10-20 00:35:03,963 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2020-10-20 00:35:03,963 INFO L270 CegarLoopResult]: At program point L83(lines 19 84) the Hoare annotation is: false [2020-10-20 00:35:03,964 INFO L270 CegarLoopResult]: At program point L83-1(lines 19 84) the Hoare annotation is: false [2020-10-20 00:35:03,964 INFO L274 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-10-20 00:35:03,964 INFO L274 CegarLoopResult]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2020-10-20 00:35:03,965 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-10-20 00:35:03,965 INFO L274 CegarLoopResult]: For program point L68-2(lines 68 74) no Hoare annotation was computed. [2020-10-20 00:35:03,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:03,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:03,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:03,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:03,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:03,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:03,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:03,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:03,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:03,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:03,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:03,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:03,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:03,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:03,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:03,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:03,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:03,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:35:03,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:03,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:03,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:03,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:03,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:03,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:03,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:03,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:03,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:03,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:03,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:03,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:03,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:03,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:03,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:03,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:03,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:03,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:35:03,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:03,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,000 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:35:04,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,010 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:35:04,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:35:04,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:35:04,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:35:04 BoogieIcfgContainer [2020-10-20 00:35:04,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:35:04,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:35:04,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:35:04,017 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:35:04,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:34:35" (3/4) ... [2020-10-20 00:35:04,022 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:35:04,040 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-10-20 00:35:04,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-10-20 00:35:04,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:35:04,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:35:04,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) [2020-10-20 00:35:04,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x))) [2020-10-20 00:35:04,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && 1bv32 == \result) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x))) [2020-10-20 00:35:04,159 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:35:04,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:35:04,167 INFO L168 Benchmark]: Toolchain (without parser) took 40763.99 ms. Allocated memory was 39.8 MB in the beginning and 51.4 MB in the end (delta: 11.5 MB). Free memory was 17.4 MB in the beginning and 13.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:35:04,168 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 30.9 MB. Free memory was 7.1 MB in the beginning and 7.1 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:35:04,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.30 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 16.6 MB in the beginning and 11.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:35:04,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.88 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 11.4 MB in the beginning and 26.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:35:04,169 INFO L168 Benchmark]: Boogie Preprocessor took 94.53 ms. Allocated memory is still 43.0 MB. Free memory was 26.1 MB in the beginning and 23.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:35:04,170 INFO L168 Benchmark]: RCFGBuilder took 11022.71 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 23.4 MB in the beginning and 19.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:35:04,170 INFO L168 Benchmark]: TraceAbstraction took 28874.88 ms. Allocated memory was 45.6 MB in the beginning and 51.4 MB in the end (delta: 5.8 MB). Free memory was 18.8 MB in the beginning and 22.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:35:04,171 INFO L168 Benchmark]: Witness Printer took 148.49 ms. Allocated memory is still 51.4 MB. Free memory was 22.8 MB in the beginning and 13.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:35:04,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 30.9 MB. Free memory was 7.1 MB in the beginning and 7.1 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 496.30 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 16.6 MB in the beginning and 11.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 114.88 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 11.4 MB in the beginning and 26.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 94.53 ms. Allocated memory is still 43.0 MB. Free memory was 26.1 MB in the beginning and 23.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 11022.71 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 23.4 MB in the beginning and 19.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 28874.88 ms. Allocated memory was 45.6 MB in the beginning and 51.4 MB in the end (delta: 5.8 MB). Free memory was 18.8 MB in the beginning and 22.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. * Witness Printer took 148.49 ms. Allocated memory is still 51.4 MB. Free memory was 22.8 MB in the beginning and 13.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. 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[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 15]: Loop Invariant [2020-10-20 00:35:04,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:35:04,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,233 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,234 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,234 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && 1bv32 == \result) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant [2020-10-20 00:35:04,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:35:04,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~hx~1,QUANTIFIED] [2020-10-20 00:35:04,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x,QUANTIFIED] [2020-10-20 00:35:04,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_acosf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_acosf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_acosf_~hx~1[31:31], ULTIMATE.start___ieee754_acosf_~hx~1[30:23], ULTIMATE.start___ieee754_acosf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0)))))) && (\exists ULTIMATE.start___ieee754_acosf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x, ULTIMATE.start___ieee754_acosf_~x))) - InvariantResult [Line: 98]: Loop Invariant [2020-10-20 00:35:04,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:35:04,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:35:04,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:35:04,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2020-10-20 00:35:04,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_5 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(v_prenex_5, 1.0))))) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 116 SDtfs, 44 SDslu, 33 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 183 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 6 QuantifiedInterpolants, 2367 SizeOfPredicates, 17 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...