/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a_true-unreach-call.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f5f1ccd9454019e5b231b920d368e18867583c .......................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a_true-unreach-call.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:09:56,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:09:56,501 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:09:56,520 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:09:56,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:09:56,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:09:56,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:09:56,527 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:09:56,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:09:56,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:09:56,537 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:09:56,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:09:56,539 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:09:56,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:09:56,550 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:09:56,550 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:09:56,551 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:09:56,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:09:56,559 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:09:56,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:09:56,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:09:56,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:09:56,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:09:56,573 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:09:56,574 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:09:56,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:09:56,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:09:56,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:09:56,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:09:56,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:09:56,583 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:09:56,584 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:09:56,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:09:56,586 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:09:56,587 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:09:56,589 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:09:56,590 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:09:56,613 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:09:56,613 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:09:56,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:09:56,614 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:09:56,615 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:09:56,615 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:09:56,615 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:09:56,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:09:56,616 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:09:56,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:09:56,616 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:09:56,616 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:09:56,617 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:09:56,617 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:09:56,617 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:09:56,617 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:09:56,617 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:09:56,619 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:09:56,619 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:09:56,619 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:09:56,619 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:09:56,620 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:09:56,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:09:56,620 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:09:56,620 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:09:56,620 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:09:56,621 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:09:56,622 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:09:56,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:09:56,622 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(__VERIFIER_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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-09-20 15:09:56,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:09:56,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:09:56,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:09:56,702 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:09:56,703 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:09:56,704 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-09-20 15:09:57,082 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3810954be/e164334ce9f54d55a87c59cc392b6ba8/FLAG22b95623f [2018-09-20 15:09:57,257 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:09:57,258 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-09-20 15:09:57,267 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3810954be/e164334ce9f54d55a87c59cc392b6ba8/FLAG22b95623f [2018-09-20 15:09:57,286 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3810954be/e164334ce9f54d55a87c59cc392b6ba8 [2018-09-20 15:09:57,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:09:57,294 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:09:57,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:57,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:09:57,305 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:09:57,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:57" (1/1) ... [2018-09-20 15:09:57,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb51be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57, skipping insertion in model container [2018-09-20 15:09:57,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:57" (1/1) ... [2018-09-20 15:09:57,322 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:09:57,616 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:57,638 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:09:57,679 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:57,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57 WrapperNode [2018-09-20 15:09:57,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:57,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:09:57,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:09:57,717 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:09:57,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57" (1/1) ... [2018-09-20 15:09:57,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57" (1/1) ... [2018-09-20 15:09:57,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57" (1/1) ... [2018-09-20 15:09:57,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57" (1/1) ... [2018-09-20 15:09:57,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57" (1/1) ... [2018-09-20 15:09:57,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57" (1/1) ... [2018-09-20 15:09:57,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57" (1/1) ... [2018-09-20 15:09:57,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:09:57,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:09:57,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:09:57,795 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:09:57,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57" (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 [2018-09-20 15:09:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:09:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:09:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-20 15:09:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:09:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:09:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:09:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:09:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:09:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:09:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-20 15:09:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:09:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:09:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:09:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:09:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:09:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:09:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:09:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:09:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:09:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:09:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:09:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:09:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:09:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:09:59,030 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:09:59,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:59 BoogieIcfgContainer [2018-09-20 15:09:59,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:09:59,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:09:59,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:09:59,035 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:09:59,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:09:57" (1/3) ... [2018-09-20 15:09:59,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600215c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:59, skipping insertion in model container [2018-09-20 15:09:59,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:57" (2/3) ... [2018-09-20 15:09:59,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600215c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:59, skipping insertion in model container [2018-09-20 15:09:59,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:59" (3/3) ... [2018-09-20 15:09:59,039 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-09-20 15:09:59,049 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:09:59,058 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:09:59,110 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:09:59,111 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:09:59,111 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:09:59,111 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:09:59,112 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:09:59,112 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:09:59,112 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:09:59,112 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:09:59,113 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:09:59,140 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-09-20 15:09:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-20 15:09:59,148 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:59,149 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:09:59,152 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:59,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1826211279, now seen corresponding path program 1 times [2018-09-20 15:09:59,160 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:09:59,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:09:59,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:59,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:59,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:09:59,358 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:59,359 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:09:59,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:09:59,375 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:09:59,376 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:09:59,379 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-09-20 15:09:59,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:09:59,424 INFO L93 Difference]: Finished difference Result 284 states and 361 transitions. [2018-09-20 15:09:59,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:09:59,426 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-20 15:09:59,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:09:59,440 INFO L225 Difference]: With dead ends: 284 [2018-09-20 15:09:59,440 INFO L226 Difference]: Without dead ends: 142 [2018-09-20 15:09:59,445 INFO L606 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 [2018-09-20 15:09:59,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-09-20 15:09:59,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-09-20 15:09:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:09:59,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 160 transitions. [2018-09-20 15:09:59,502 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 160 transitions. Word has length 17 [2018-09-20 15:09:59,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:09:59,503 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 160 transitions. [2018-09-20 15:09:59,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:09:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 160 transitions. [2018-09-20 15:09:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-20 15:09:59,505 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:59,505 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:09:59,505 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:59,506 INFO L82 PathProgramCache]: Analyzing trace with hash 424770565, now seen corresponding path program 1 times [2018-09-20 15:09:59,506 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:09:59,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:09:59,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:59,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:59,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:09:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:09:59,659 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:09:59,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:09:59 BoogieIcfgContainer [2018-09-20 15:09:59,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:09:59,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:09:59,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:09:59,730 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:09:59,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:59" (3/4) ... [2018-09-20 15:09:59,735 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:09:59,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:09:59,736 INFO L168 Benchmark]: Toolchain (without parser) took 2445.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -112.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:59,738 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:09:59,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:59,740 INFO L168 Benchmark]: Boogie Preprocessor took 76.88 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:09:59,740 INFO L168 Benchmark]: RCFGBuilder took 1236.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:59,741 INFO L168 Benchmark]: TraceAbstraction took 696.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:59,742 INFO L168 Benchmark]: Witness Printer took 6.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:09:59,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 421.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.88 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1236.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 696.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=26, \old(one_asin)=10, \old(one_sqrt)=8, \old(pio2_hi_asin)=9, \old(pio2_lo_asin)=19, \old(pio4_hi_asin)=11, \old(pS0_asin)=18, \old(pS1_asin)=12, \old(pS2_asin)=7, \old(pS3_asin)=17, \old(pS4_asin)=22, \old(pS5_asin)=14, \old(qS1_asin)=27, \old(qS2_asin)=23, \old(qS3_asin)=5, \old(qS4_asin)=20, \old(tiny_sqrt)=21, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = -0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=13, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=13, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L121] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=13, gf_u={24:0}, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L122] FCALL gf_u.value = (x) VAL [\old(x)=13, gf_u={24:0}, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L123] EXPR, FCALL gf_u.word VAL [\old(x)=13, gf_u={24:0}, gf_u.word=3, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L123] (hx) = gf_u.word VAL [\old(x)=13, gf_u={24:0}, gf_u.word=3, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L123] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=16, \old(x)=13, gf_u={24:0}, gf_u.word=3, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L124] COND FALSE !(0) VAL [\old(x)=13, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L125] ix = hx & 0x7fffffff VAL [\old(x)=13, huge_asin=1000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L126] COND TRUE ix == 0x3f800000 [L128] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=13, huge_asin=1000000000000000000000000000000, hx=3, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L194] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=25, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=25, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L197] COND FALSE, EXPR !(res == -0.0f && __signbit_float(res) == 1) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=25, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=13] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=25, tiny_sqrt=1/1000000000000000000000000000000, x=13] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 146 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 164 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=146occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-40ef509 [2018-09-20 15:10:02,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:10:02,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:10:02,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:10:02,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:10:02,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:10:02,252 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:10:02,253 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:10:02,255 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:10:02,256 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:10:02,257 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:10:02,257 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:10:02,258 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:10:02,259 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:10:02,260 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:10:02,261 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:10:02,262 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:10:02,263 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:10:02,265 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:10:02,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:10:02,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:10:02,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:10:02,272 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:10:02,272 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:10:02,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:10:02,274 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:10:02,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:10:02,276 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:10:02,276 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:10:02,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:10:02,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:10:02,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:10:02,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:10:02,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:10:02,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:10:02,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:10:02,281 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:10:02,299 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:10:02,300 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:10:02,301 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:10:02,302 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:10:02,303 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:10:02,303 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:10:02,304 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:10:02,304 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:10:02,305 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:10:02,305 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:10:02,305 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:10:02,305 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:10:02,305 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:10:02,305 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:10:02,306 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:10:02,306 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:10:02,306 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:10:02,306 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:10:02,306 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:10:02,307 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:10:02,307 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:10:02,307 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:10:02,307 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:10:02,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:10:02,307 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:10:02,308 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:10:02,308 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:10:02,308 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:10:02,308 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:10:02,311 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:10:02,311 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:10:02,311 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(__VERIFIER_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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-09-20 15:10:02,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:10:02,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:10:02,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:10:02,388 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:10:02,389 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:10:02,390 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-09-20 15:10:02,771 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/099d564f1/58ce4dfbfae349588a16ee2bed05024d/FLAG26a45e249 [2018-09-20 15:10:02,993 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:10:02,993 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-09-20 15:10:03,007 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/099d564f1/58ce4dfbfae349588a16ee2bed05024d/FLAG26a45e249 [2018-09-20 15:10:03,025 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/099d564f1/58ce4dfbfae349588a16ee2bed05024d [2018-09-20 15:10:03,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:10:03,032 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:10:03,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:03,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:10:03,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:10:03,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:03" (1/1) ... [2018-09-20 15:10:03,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5388008b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03, skipping insertion in model container [2018-09-20 15:10:03,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:03" (1/1) ... [2018-09-20 15:10:03,064 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:10:03,342 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:03,371 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:10:03,464 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:10:03,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03 WrapperNode [2018-09-20 15:10:03,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:10:03,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:10:03,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:10:03,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:10:03,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03" (1/1) ... [2018-09-20 15:10:03,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03" (1/1) ... [2018-09-20 15:10:03,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03" (1/1) ... [2018-09-20 15:10:03,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03" (1/1) ... [2018-09-20 15:10:03,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03" (1/1) ... [2018-09-20 15:10:03,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03" (1/1) ... [2018-09-20 15:10:03,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03" (1/1) ... [2018-09-20 15:10:03,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:10:03,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:10:03,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:10:03,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:10:03,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03" (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 [2018-09-20 15:10:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:10:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:10:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-20 15:10:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:10:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:10:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:10:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:10:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:10:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:10:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-20 15:10:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:10:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:10:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:10:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:10:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:10:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:10:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:10:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:10:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:10:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:10:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:10:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:10:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:10:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:10:04,221 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:04,243 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:11,244 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:11,259 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:13,561 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:13,576 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:13,678 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:13,689 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:14,238 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:14,249 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:10:14,832 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:10:14,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:14 BoogieIcfgContainer [2018-09-20 15:10:14,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:10:14,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:10:14,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:10:14,837 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:10:14,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:10:03" (1/3) ... [2018-09-20 15:10:14,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684c83a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:14, skipping insertion in model container [2018-09-20 15:10:14,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:03" (2/3) ... [2018-09-20 15:10:14,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684c83a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:10:14, skipping insertion in model container [2018-09-20 15:10:14,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:14" (3/3) ... [2018-09-20 15:10:14,842 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-09-20 15:10:14,852 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:10:14,860 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:10:14,908 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:10:14,908 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:10:14,909 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:10:14,909 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:10:14,909 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:10:14,909 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:10:14,909 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:10:14,909 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:10:14,910 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:10:14,935 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-09-20 15:10:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-20 15:10:14,943 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:14,945 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:14,947 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:14,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1826211279, now seen corresponding path program 1 times [2018-09-20 15:10:14,959 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:14,960 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-20 15:10:14,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:15,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:15,253 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:15,273 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:15,279 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:10:15,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:10:15,297 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:10:15,298 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:10:15,300 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-09-20 15:10:15,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:15,353 INFO L93 Difference]: Finished difference Result 284 states and 361 transitions. [2018-09-20 15:10:15,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:10:15,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-09-20 15:10:15,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:15,371 INFO L225 Difference]: With dead ends: 284 [2018-09-20 15:10:15,376 INFO L226 Difference]: Without dead ends: 142 [2018-09-20 15:10:15,384 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:10:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-09-20 15:10:15,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-09-20 15:10:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:10:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 160 transitions. [2018-09-20 15:10:15,462 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 160 transitions. Word has length 17 [2018-09-20 15:10:15,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:15,463 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 160 transitions. [2018-09-20 15:10:15,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:10:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 160 transitions. [2018-09-20 15:10:15,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-20 15:10:15,464 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:15,465 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:15,465 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:15,469 INFO L82 PathProgramCache]: Analyzing trace with hash 424770565, now seen corresponding path program 1 times [2018-09-20 15:10:15,470 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:15,471 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-20 15:10:15,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:15,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:15,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:10:15,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:10:15,830 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:15,849 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:15,876 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:15,877 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:15,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:10:15,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:10:15,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:15,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:15,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:15,948 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:16,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:16,362 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:16,381 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:16,381 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:16,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:16,386 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:16,387 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:16,387 INFO L87 Difference]: Start difference. First operand 142 states and 160 transitions. Second operand 9 states. [2018-09-20 15:10:25,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:25,991 INFO L93 Difference]: Finished difference Result 168 states and 187 transitions. [2018-09-20 15:10:25,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:10:25,992 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-09-20 15:10:25,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:25,997 INFO L225 Difference]: With dead ends: 168 [2018-09-20 15:10:25,997 INFO L226 Difference]: Without dead ends: 145 [2018-09-20 15:10:25,999 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-09-20 15:10:26,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-09-20 15:10:26,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2018-09-20 15:10:26,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:10:26,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 159 transitions. [2018-09-20 15:10:26,016 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 159 transitions. Word has length 26 [2018-09-20 15:10:26,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:26,017 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 159 transitions. [2018-09-20 15:10:26,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:26,017 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 159 transitions. [2018-09-20 15:10:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:10:26,019 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:26,019 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:26,020 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:26,020 INFO L82 PathProgramCache]: Analyzing trace with hash 497435435, now seen corresponding path program 1 times [2018-09-20 15:10:26,021 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:26,021 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-20 15:10:26,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:26,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:26,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:10:26,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:10:26,476 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:26,504 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:26,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:26,520 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:26,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:10:26,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:10:26,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:26,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:26,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:26,572 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:26,737 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:26,752 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:26,753 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:26,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:26,754 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:26,754 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:26,754 INFO L87 Difference]: Start difference. First operand 142 states and 159 transitions. Second operand 9 states. [2018-09-20 15:10:33,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:33,986 INFO L93 Difference]: Finished difference Result 168 states and 186 transitions. [2018-09-20 15:10:33,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:10:33,987 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-09-20 15:10:33,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:33,990 INFO L225 Difference]: With dead ends: 168 [2018-09-20 15:10:33,990 INFO L226 Difference]: Without dead ends: 145 [2018-09-20 15:10:33,991 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:33,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-09-20 15:10:34,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2018-09-20 15:10:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:10:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 158 transitions. [2018-09-20 15:10:34,013 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 158 transitions. Word has length 27 [2018-09-20 15:10:34,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:34,014 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 158 transitions. [2018-09-20 15:10:34,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 158 transitions. [2018-09-20 15:10:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-20 15:10:34,016 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:34,016 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:34,016 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:34,017 INFO L82 PathProgramCache]: Analyzing trace with hash -847347883, now seen corresponding path program 1 times [2018-09-20 15:10:34,017 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:34,018 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:34,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:35,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:35,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:10:35,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:10:35,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,409 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,422 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:35,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:10:35,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:10:35,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,455 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,459 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:35,460 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:35,622 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:35,654 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:35,654 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:35,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:35,655 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:35,655 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:35,657 INFO L87 Difference]: Start difference. First operand 142 states and 158 transitions. Second operand 9 states. [2018-09-20 15:10:42,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:42,146 INFO L93 Difference]: Finished difference Result 197 states and 218 transitions. [2018-09-20 15:10:42,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:10:42,148 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-09-20 15:10:42,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:42,151 INFO L225 Difference]: With dead ends: 197 [2018-09-20 15:10:42,151 INFO L226 Difference]: Without dead ends: 150 [2018-09-20 15:10:42,152 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:42,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-09-20 15:10:42,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2018-09-20 15:10:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-09-20 15:10:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 164 transitions. [2018-09-20 15:10:42,181 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 164 transitions. Word has length 29 [2018-09-20 15:10:42,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:42,181 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 164 transitions. [2018-09-20 15:10:42,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:42,181 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 164 transitions. [2018-09-20 15:10:42,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:10:42,182 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:42,184 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:42,184 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:42,184 INFO L82 PathProgramCache]: Analyzing trace with hash 686800972, now seen corresponding path program 1 times [2018-09-20 15:10:42,185 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:42,185 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:42,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:42,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:42,373 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:42,384 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:42,384 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-20 15:10:42,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-20 15:10:42,385 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-20 15:10:42,385 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-20 15:10:42,386 INFO L87 Difference]: Start difference. First operand 147 states and 164 transitions. Second operand 7 states. [2018-09-20 15:10:42,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:42,895 INFO L93 Difference]: Finished difference Result 154 states and 171 transitions. [2018-09-20 15:10:42,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 15:10:42,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-09-20 15:10:42,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:42,899 INFO L225 Difference]: With dead ends: 154 [2018-09-20 15:10:42,899 INFO L226 Difference]: Without dead ends: 151 [2018-09-20 15:10:42,900 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-20 15:10:42,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-09-20 15:10:42,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-09-20 15:10:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-09-20 15:10:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2018-09-20 15:10:42,915 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 30 [2018-09-20 15:10:42,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:42,915 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2018-09-20 15:10:42,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-20 15:10:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2018-09-20 15:10:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-20 15:10:42,919 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:42,919 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:42,920 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:42,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1851263139, now seen corresponding path program 1 times [2018-09-20 15:10:42,920 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:42,921 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:42,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:43,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:43,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:10:43,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:10:43,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:43,281 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:43,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:43,294 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:43,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:10:43,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:10:43,362 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:43,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:43,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:43,373 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:43,761 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:43,772 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:43,773 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-20 15:10:43,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-20 15:10:43,773 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-20 15:10:43,774 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-09-20 15:10:43,774 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 14 states. [2018-09-20 15:10:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:45,560 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2018-09-20 15:10:45,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-20 15:10:45,563 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 46 [2018-09-20 15:10:45,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:45,567 INFO L225 Difference]: With dead ends: 156 [2018-09-20 15:10:45,567 INFO L226 Difference]: Without dead ends: 147 [2018-09-20 15:10:45,568 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2018-09-20 15:10:45,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-09-20 15:10:45,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-09-20 15:10:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-09-20 15:10:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 163 transitions. [2018-09-20 15:10:45,597 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 163 transitions. Word has length 46 [2018-09-20 15:10:45,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:45,598 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 163 transitions. [2018-09-20 15:10:45,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-20 15:10:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2018-09-20 15:10:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-20 15:10:45,606 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:45,607 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:45,607 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:45,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1136092018, now seen corresponding path program 1 times [2018-09-20 15:10:45,610 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:45,611 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 15:10:45,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:47,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:47,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:10:47,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:10:47,124 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:47,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:47,146 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:47,146 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:47,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:10:47,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:10:47,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:47,175 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:47,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:47,178 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:47,499 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:47,533 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:47,533 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:47,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:47,534 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:47,534 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:47,535 INFO L87 Difference]: Start difference. First operand 147 states and 163 transitions. Second operand 9 states. [2018-09-20 15:10:51,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:51,233 INFO L93 Difference]: Finished difference Result 174 states and 192 transitions. [2018-09-20 15:10:51,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:10:51,234 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 73 [2018-09-20 15:10:51,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:51,236 INFO L225 Difference]: With dead ends: 174 [2018-09-20 15:10:51,236 INFO L226 Difference]: Without dead ends: 145 [2018-09-20 15:10:51,237 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-09-20 15:10:51,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2018-09-20 15:10:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-09-20 15:10:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 155 transitions. [2018-09-20 15:10:51,246 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 155 transitions. Word has length 73 [2018-09-20 15:10:51,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:51,246 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 155 transitions. [2018-09-20 15:10:51,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:51,246 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 155 transitions. [2018-09-20 15:10:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-20 15:10:51,249 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:51,249 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:10:51,250 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:51,250 INFO L82 PathProgramCache]: Analyzing trace with hash -987440331, now seen corresponding path program 1 times [2018-09-20 15:10:51,251 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:51,252 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:51,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:52,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:53,772 WARN L178 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-20 15:10:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:10:54,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:54,284 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:54,285 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 15:10:54,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 15:10:54,285 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 15:10:54,285 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-20 15:10:54,286 INFO L87 Difference]: Start difference. First operand 142 states and 155 transitions. Second operand 6 states. [2018-09-20 15:10:56,708 WARN L178 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-20 15:10:59,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:59,757 INFO L93 Difference]: Finished difference Result 142 states and 155 transitions. [2018-09-20 15:10:59,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 15:10:59,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2018-09-20 15:10:59,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:59,764 INFO L225 Difference]: With dead ends: 142 [2018-09-20 15:10:59,764 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:10:59,765 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-20 15:10:59,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:10:59,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:10:59,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:10:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:10:59,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2018-09-20 15:10:59,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:59,770 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:10:59,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 15:10:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:10:59,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:10:59,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:11:00,067 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-09-20 15:11:01,221 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2018-09-20 15:11:02,171 WARN L178 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2018-09-20 15:11:03,039 WARN L178 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-09-20 15:11:03,090 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:11:03,090 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:11:03,090 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point L99-2(lines 92 105) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point L97-2(line 97) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point L95-2(line 95) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point L95-3(line 95) no Hoare annotation was computed. [2018-09-20 15:11:03,091 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point L102-2(line 102) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point L100-2(line 100) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point L100-3(line 100) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L426 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-09-20 15:11:03,092 INFO L429 ceAbstractionStarter]: At program point L94-3(lines 94 98) the Hoare annotation is: true [2018-09-20 15:11:03,093 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-09-20 15:11:03,093 INFO L426 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-09-20 15:11:03,093 INFO L426 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-09-20 15:11:03,093 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:11:03,093 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_asin~0) (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) [2018-09-20 15:11:03,093 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:11:03,093 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:11:03,093 INFO L426 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-09-20 15:11:03,093 INFO L426 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-09-20 15:11:03,094 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-09-20 15:11:03,094 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-09-20 15:11:03,094 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-09-20 15:11:03,094 INFO L426 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-09-20 15:11:03,094 INFO L426 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-09-20 15:11:03,094 INFO L422 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= main_~res~0 .cse0) (= main_~x~0 .cse0) |main_#t~short21|)) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:03,094 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-09-20 15:11:03,095 INFO L426 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-09-20 15:11:03,095 INFO L422 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:03,095 INFO L422 ceAbstractionStarter]: At program point L163-3(lines 163 167) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:03,095 INFO L426 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-09-20 15:11:03,095 INFO L426 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-09-20 15:11:03,095 INFO L426 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-09-20 15:11:03,096 INFO L426 ceAbstractionStarter]: For program point L168-2(lines 160 178) no Hoare annotation was computed. [2018-09-20 15:11:03,096 INFO L426 ceAbstractionStarter]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2018-09-20 15:11:03,096 INFO L426 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-09-20 15:11:03,096 INFO L426 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-09-20 15:11:03,096 INFO L426 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-09-20 15:11:03,096 INFO L422 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:03,100 INFO L426 ceAbstractionStarter]: For program point L164-2(line 164) no Hoare annotation was computed. [2018-09-20 15:11:03,100 INFO L426 ceAbstractionStarter]: For program point L164-3(line 164) no Hoare annotation was computed. [2018-09-20 15:11:03,100 INFO L422 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:03,100 INFO L426 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-09-20 15:11:03,100 INFO L426 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-09-20 15:11:03,101 INFO L426 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-09-20 15:11:03,101 INFO L426 ceAbstractionStarter]: For program point L123-2(line 123) no Hoare annotation was computed. [2018-09-20 15:11:03,101 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-20 15:11:03,101 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-20 15:11:03,101 INFO L426 ceAbstractionStarter]: For program point L169-1(line 169) no Hoare annotation was computed. [2018-09-20 15:11:03,101 INFO L426 ceAbstractionStarter]: For program point L169-2(line 169) no Hoare annotation was computed. [2018-09-20 15:11:03,101 INFO L426 ceAbstractionStarter]: For program point L169-3(line 169) no Hoare annotation was computed. [2018-09-20 15:11:03,101 INFO L426 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-09-20 15:11:03,101 INFO L426 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-09-20 15:11:03,103 INFO L426 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-09-20 15:11:03,103 INFO L426 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-09-20 15:11:03,104 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-09-20 15:11:03,104 INFO L422 ceAbstractionStarter]: At program point L120-3(lines 120 124) the Hoare annotation is: (or (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-09-20 15:11:03,104 INFO L429 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-09-20 15:11:03,104 INFO L426 ceAbstractionStarter]: For program point L120-4(lines 120 124) no Hoare annotation was computed. [2018-09-20 15:11:03,104 INFO L426 ceAbstractionStarter]: For program point L170(line 170) no Hoare annotation was computed. [2018-09-20 15:11:03,104 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-20 15:11:03,104 INFO L426 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-09-20 15:11:03,104 INFO L426 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-09-20 15:11:03,104 INFO L426 ceAbstractionStarter]: For program point L166-2(line 166) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point L121-1(line 121) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point L121-2(line 121) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point L121-3(line 121) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point L171-2(line 171) no Hoare annotation was computed. [2018-09-20 15:11:03,105 INFO L426 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-09-20 15:11:03,106 INFO L426 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-09-20 15:11:03,106 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:11:03,106 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 15:11:03,106 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-20 15:11:03,106 INFO L429 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-09-20 15:11:03,106 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-20 15:11:03,106 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-20 15:11:03,106 INFO L426 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-09-20 15:11:03,107 INFO L426 ceAbstractionStarter]: For program point L16-2(line 16) no Hoare annotation was computed. [2018-09-20 15:11:03,108 INFO L426 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-09-20 15:11:03,108 INFO L426 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2018-09-20 15:11:03,108 INFO L422 ceAbstractionStarter]: At program point L15-3(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-09-20 15:11:03,108 INFO L426 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-09-20 15:11:03,108 INFO L426 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-09-20 15:11:03,108 INFO L426 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-09-20 15:11:03,108 INFO L429 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-09-20 15:11:03,108 INFO L426 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-09-20 15:11:03,108 INFO L426 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-09-20 15:11:03,108 INFO L426 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-09-20 15:11:03,109 INFO L426 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-09-20 15:11:03,109 INFO L426 ceAbstractionStarter]: For program point L86-2(line 86) no Hoare annotation was computed. [2018-09-20 15:11:03,109 INFO L426 ceAbstractionStarter]: For program point L86-3(line 86) no Hoare annotation was computed. [2018-09-20 15:11:03,109 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-09-20 15:11:03,109 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-09-20 15:11:03,109 INFO L426 ceAbstractionStarter]: For program point L62-1(lines 62 71) no Hoare annotation was computed. [2018-09-20 15:11:03,109 INFO L429 ceAbstractionStarter]: At program point L62-3(lines 62 71) the Hoare annotation is: true [2018-09-20 15:11:03,109 INFO L426 ceAbstractionStarter]: For program point L62-4(lines 26 91) no Hoare annotation was computed. [2018-09-20 15:11:03,109 INFO L426 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-09-20 15:11:03,109 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-09-20 15:11:03,109 INFO L426 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point L88-1(line 88) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point L88-2(line 88) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-09-20 15:11:03,110 INFO L426 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-09-20 15:11:03,111 INFO L429 ceAbstractionStarter]: At program point L31-3(lines 31 35) the Hoare annotation is: true [2018-09-20 15:11:03,111 INFO L426 ceAbstractionStarter]: For program point L31-4(lines 31 35) no Hoare annotation was computed. [2018-09-20 15:11:03,111 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 48 49) no Hoare annotation was computed. [2018-09-20 15:11:03,111 INFO L426 ceAbstractionStarter]: For program point L48-3(lines 48 49) no Hoare annotation was computed. [2018-09-20 15:11:03,111 INFO L429 ceAbstractionStarter]: At program point L48-4(lines 48 49) the Hoare annotation is: true [2018-09-20 15:11:03,111 INFO L426 ceAbstractionStarter]: For program point L48-5(lines 48 49) no Hoare annotation was computed. [2018-09-20 15:11:03,111 INFO L426 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-09-20 15:11:03,111 INFO L426 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-09-20 15:11:03,111 INFO L426 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-09-20 15:11:03,114 INFO L426 ceAbstractionStarter]: For program point L32-2(line 32) no Hoare annotation was computed. [2018-09-20 15:11:03,114 INFO L426 ceAbstractionStarter]: For program point L32-3(line 32) no Hoare annotation was computed. [2018-09-20 15:11:03,115 INFO L426 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-09-20 15:11:03,115 INFO L426 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-09-20 15:11:03,115 INFO L426 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-09-20 15:11:03,115 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-20 15:11:03,115 INFO L426 ceAbstractionStarter]: For program point L34-1(line 34) no Hoare annotation was computed. [2018-09-20 15:11:03,115 INFO L426 ceAbstractionStarter]: For program point L34-2(line 34) no Hoare annotation was computed. [2018-09-20 15:11:03,115 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-09-20 15:11:03,125 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,126 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,126 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,127 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,127 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,127 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,127 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,127 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,130 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,130 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,131 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,131 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,136 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,136 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,136 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,136 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,136 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,137 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,137 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,141 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,142 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,142 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,142 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,143 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,143 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,143 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,143 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:11:03 BoogieIcfgContainer [2018-09-20 15:11:03,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:11:03,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:11:03,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:11:03,149 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:11:03,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:14" (3/4) ... [2018-09-20 15:11:03,153 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:11:03,160 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:11:03,160 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:11:03,161 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:11:03,162 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-09-20 15:11:03,162 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-09-20 15:11:03,162 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-20 15:11:03,171 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-09-20 15:11:03,171 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-09-20 15:11:03,172 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 15:11:03,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) [2018-09-20 15:11:03,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:11:03,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)))) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) [2018-09-20 15:11:03,265 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:11:03,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:11:03,266 INFO L168 Benchmark]: Toolchain (without parser) took 60236.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 953.2 MB in the beginning and 921.8 MB in the end (delta: 31.4 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:03,267 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:11:03,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:03,268 INFO L168 Benchmark]: Boogie Preprocessor took 74.78 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:03,268 INFO L168 Benchmark]: RCFGBuilder took 11254.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:03,269 INFO L168 Benchmark]: TraceAbstraction took 48314.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.1 GB in the beginning and 929.4 MB in the end (delta: 155.7 MB). Peak memory consumption was 217.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:03,269 INFO L168 Benchmark]: Witness Printer took 116.24 ms. Allocated memory is still 1.2 GB. Free memory was 929.4 MB in the beginning and 921.8 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:11:03,274 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 465.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.78 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11254.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 48314.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.1 GB in the beginning and 929.4 MB in the end (delta: 155.7 MB). Peak memory consumption was 217.6 MB. Max. memory is 11.5 GB. * Witness Printer took 116.24 ms. Allocated memory is still 1.2 GB. Free memory was 929.4 MB in the beginning and 921.8 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-09-20 15:11:03,287 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,287 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,287 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,287 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,287 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,288 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,288 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,288 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,288 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,288 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,294 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,294 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,295 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,295 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,295 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,295 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,296 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,296 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,296 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,296 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:11:03,296 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,300 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,300 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,300 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)))) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) - InvariantResult [Line: 120]: Loop Invariant [2018-09-20 15:11:03,301 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,301 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,301 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,301 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,302 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,302 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,302 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:11:03,302 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 146 locations, 1 error locations. SAFE Result, 48.2s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 34.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1165 SDtfs, 796 SDslu, 6090 SDs, 0 SdLazy, 774 SolverSat, 65 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 29.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 357 GetRequests, 263 SyntacticMatches, 3 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 287 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 315 ConstructedInterpolants, 26 QuantifiedInterpolants, 137023 SizeOfPredicates, 49 NumberOfNonLiveVariables, 1049 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...