/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0260_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_0260_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 f4df82ea580918989808f581f8b270f0b85e6120 ............................................................................................................................................................................................................................................................................................................ 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_0260_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 f4df82ea580918989808f581f8b270f0b85e6120 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:09:33,788 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:09:33,792 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:09:33,812 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:09:33,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:09:33,813 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:09:33,814 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:09:33,816 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:09:33,818 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:09:33,819 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:09:33,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:09:33,820 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:09:33,821 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:09:33,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:09:33,823 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:09:33,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:09:33,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:09:33,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:09:33,829 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:09:33,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:09:33,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:09:33,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:09:33,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:09:33,836 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:09:33,837 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:09:33,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:09:33,839 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:09:33,840 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:09:33,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:09:33,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:09:33,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:09:33,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:09:33,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:09:33,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:09:33,849 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:09:33,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:09:33,852 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:09:33,885 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:09:33,886 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:09:33,887 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:09:33,887 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:09:33,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:09:33,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:09:33,890 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:09:33,890 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:09:33,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:09:33,891 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:09:33,891 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:09:33,891 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:09:33,891 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:09:33,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:09:33,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:09:33,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:09:33,893 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:09:33,893 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:09:33,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:09:33,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:09:33,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:09:33,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:09:33,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:09:33,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:09:33,897 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:09:33,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:09:33,898 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:09:33,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:09:33,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:09:33,899 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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-09-20 15:09:33,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:09:34,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:09:34,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:09:34,012 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:09:34,013 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:09:34,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-09-20 15:09:34,366 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f972962c7/12c93e2670714be2a0725c4e277e290f/FLAGc8225c356 [2018-09-20 15:09:34,542 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:09:34,543 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-09-20 15:09:34,559 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f972962c7/12c93e2670714be2a0725c4e277e290f/FLAGc8225c356 [2018-09-20 15:09:34,576 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f972962c7/12c93e2670714be2a0725c4e277e290f [2018-09-20 15:09:34,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:09:34,583 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:09:34,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:34,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:09:34,592 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:09:34,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:34" (1/1) ... [2018-09-20 15:09:34,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0fef99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:34, skipping insertion in model container [2018-09-20 15:09:34,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:34" (1/1) ... [2018-09-20 15:09:34,610 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:09:34,935 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:34,957 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:09:35,029 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:35,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35 WrapperNode [2018-09-20 15:09:35,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:35,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:09:35,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:09:35,083 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:09:35,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35" (1/1) ... [2018-09-20 15:09:35,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35" (1/1) ... [2018-09-20 15:09:35,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35" (1/1) ... [2018-09-20 15:09:35,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35" (1/1) ... [2018-09-20 15:09:35,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35" (1/1) ... [2018-09-20 15:09:35,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35" (1/1) ... [2018-09-20 15:09:35,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35" (1/1) ... [2018-09-20 15:09:35,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:09:35,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:09:35,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:09:35,163 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:09:35,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35" (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 15:09:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:09:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:09:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:09:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:09:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:09:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:09:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:09:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:09:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:09:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:09:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:09:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:09:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:09:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:09:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:09:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:09:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:09:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:09:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:09:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:09:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:09:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:09:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:09:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:09:36,413 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:09:36,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:36 BoogieIcfgContainer [2018-09-20 15:09:36,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:09:36,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:09:36,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:09:36,418 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:09:36,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:09:34" (1/3) ... [2018-09-20 15:09:36,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c0af6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:36, skipping insertion in model container [2018-09-20 15:09:36,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:35" (2/3) ... [2018-09-20 15:09:36,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c0af6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:36, skipping insertion in model container [2018-09-20 15:09:36,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:36" (3/3) ... [2018-09-20 15:09:36,421 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-09-20 15:09:36,430 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:09:36,439 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:09:36,485 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:09:36,486 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:09:36,486 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:09:36,486 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:09:36,486 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:09:36,486 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:09:36,487 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:09:36,487 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:09:36,487 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:09:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-09-20 15:09:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 15:09:36,519 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:36,520 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] [2018-09-20 15:09:36,523 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:36,531 INFO L82 PathProgramCache]: Analyzing trace with hash -2126942818, now seen corresponding path program 1 times [2018-09-20 15:09:36,533 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:09:36,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:09:36,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:36,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:36,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:36,705 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 15:09:36,708 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:36,708 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:09:36,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:09:36,728 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:09:36,729 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:09:36,732 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2018-09-20 15:09:36,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:09:36,775 INFO L93 Difference]: Finished difference Result 260 states and 330 transitions. [2018-09-20 15:09:36,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:09:36,776 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 15:09:36,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:09:36,790 INFO L225 Difference]: With dead ends: 260 [2018-09-20 15:09:36,790 INFO L226 Difference]: Without dead ends: 130 [2018-09-20 15:09:36,796 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 15:09:36,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-09-20 15:09:36,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-09-20 15:09:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-09-20 15:09:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 147 transitions. [2018-09-20 15:09:36,848 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 147 transitions. Word has length 21 [2018-09-20 15:09:36,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:09:36,849 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 147 transitions. [2018-09-20 15:09:36,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:09:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2018-09-20 15:09:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:09:36,850 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:36,851 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 15:09:36,851 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:36,851 INFO L82 PathProgramCache]: Analyzing trace with hash 505792092, now seen corresponding path program 1 times [2018-09-20 15:09:36,852 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:09:36,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:09:36,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:36,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:36,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:09:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:09:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:09:37,020 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:09:37,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:09:37 BoogieIcfgContainer [2018-09-20 15:09:37,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:09:37,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:09:37,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:09:37,099 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:09:37,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:36" (3/4) ... [2018-09-20 15:09:37,107 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:09:37,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:09:37,108 INFO L168 Benchmark]: Toolchain (without parser) took 2527.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -98.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:37,112 INFO L168 Benchmark]: CDTParser took 0.20 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 15:09:37,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.30 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 15:09:37,114 INFO L168 Benchmark]: Boogie Preprocessor took 79.41 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 15:09:37,115 INFO L168 Benchmark]: RCFGBuilder took 1250.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:37,118 INFO L168 Benchmark]: TraceAbstraction took 683.57 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:37,119 INFO L168 Benchmark]: Witness Printer took 8.89 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 15:09:37,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 497.30 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 79.41 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 1250.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 683.57 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Witness Printer took 8.89 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: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] 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)=6442450964, \old(one_asin)=6442450950, \old(one_sqrt)=6442450948, \old(pio2_hi_asin)=6442450949, \old(pio2_lo_asin)=6442450959, \old(pio4_hi_asin)=6442450951, \old(pS0_asin)=6442450958, \old(pS1_asin)=6442450952, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450957, \old(pS4_asin)=6442450962, \old(pS5_asin)=6442450954, \old(qS1_asin)=6442450966, \old(qS2_asin)=6442450963, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450960, \old(tiny_sqrt)=6442450961, 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] [L183] float x = 0.0f / 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] [L184] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450953, 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] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=6442450953, 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=6442450953] [L112] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450953, gf_u={6442450967:0}, 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=6442450953] [L113] FCALL gf_u.value = (x) VAL [\old(x)=6442450953, gf_u={6442450967:0}, 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=6442450953] [L114] EXPR, FCALL gf_u.word VAL [\old(x)=6442450953, gf_u={6442450967:0}, gf_u.word=6442450944, 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=6442450953] [L114] (hx) = gf_u.word VAL [\old(x)=6442450953, gf_u={6442450967:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, hx=-2147483648, 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=6442450953] [L114] FCALL (hx) = gf_u.word VAL [(hx) = gf_u.word=6442450956, \old(x)=6442450953, gf_u={6442450967:0}, gf_u.word=6442450944, huge_asin=1000000000000000000000000000000, hx=-2147483648, 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=6442450953] [L115] COND FALSE !(0) VAL [\old(x)=6442450953, huge_asin=1000000000000000000000000000000, hx=-2147483648, 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=6442450953] [L116] ix = hx & 0x7fffffff VAL [\old(x)=6442450953, huge_asin=1000000000000000000000000000000, hx=-2147483648, 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=6442450953] [L117] COND TRUE ix == 0x3f800000 [L119] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450953, huge_asin=1000000000000000000000000000000, hx=-2147483648, 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=6442450953] [L184] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450965, 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=6442450953] [L184] float res = __ieee754_asinf(x); [L187] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450965, 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] [L13] RET return x != x; VAL [\old(x)=6442450965, \result=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=6442450965] [L187] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, 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=6442450965, tiny_sqrt=1/1000000000000000000000000000000, x=6442450953] [L187] COND TRUE !isnan_float(res) [L188] __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=6442450965, tiny_sqrt=1/1000000000000000000000000000000, x=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 134 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 151 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=134occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 15:09:39,598 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:09:39,600 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:09:39,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:09:39,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:09:39,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:09:39,616 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:09:39,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:09:39,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:09:39,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:09:39,625 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:09:39,625 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:09:39,626 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:09:39,627 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:09:39,628 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:09:39,629 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:09:39,630 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:09:39,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:09:39,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:09:39,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:09:39,636 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:09:39,638 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:09:39,640 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:09:39,640 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:09:39,641 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:09:39,641 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:09:39,643 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:09:39,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:09:39,644 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:09:39,645 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:09:39,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:09:39,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:09:39,647 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:09:39,647 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:09:39,648 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:09:39,649 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:09:39,649 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:09:39,668 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:09:39,668 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:09:39,669 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:09:39,670 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:09:39,670 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:09:39,670 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:09:39,670 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:09:39,671 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:09:39,671 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:09:39,671 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:09:39,671 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:09:39,674 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:09:39,674 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:09:39,674 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:09:39,675 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:09:39,675 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:09:39,675 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:09:39,675 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:09:39,675 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:09:39,676 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:09:39,676 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:09:39,676 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:09:39,676 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:09:39,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:09:39,679 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:09:39,679 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:09:39,680 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:09:39,680 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:09:39,680 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:09:39,680 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:09:39,680 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:09:39,682 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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-09-20 15:09:39,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:09:39,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:09:39,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:09:39,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:09:39,784 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:09:39,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-09-20 15:09:40,135 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635933a84/e2a242bc4e1048479bd620ff02c5596e/FLAG74848ba7a [2018-09-20 15:09:40,363 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:09:40,364 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-09-20 15:09:40,376 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635933a84/e2a242bc4e1048479bd620ff02c5596e/FLAG74848ba7a [2018-09-20 15:09:40,406 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635933a84/e2a242bc4e1048479bd620ff02c5596e [2018-09-20 15:09:40,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:09:40,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:09:40,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:40,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:09:40,435 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:09:40,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:40" (1/1) ... [2018-09-20 15:09:40,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ade425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40, skipping insertion in model container [2018-09-20 15:09:40,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:40" (1/1) ... [2018-09-20 15:09:40,454 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:09:40,773 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:40,802 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:09:40,884 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:09:40,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40 WrapperNode [2018-09-20 15:09:40,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:09:40,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:09:40,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:09:40,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:09:40,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40" (1/1) ... [2018-09-20 15:09:40,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40" (1/1) ... [2018-09-20 15:09:40,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40" (1/1) ... [2018-09-20 15:09:40,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40" (1/1) ... [2018-09-20 15:09:40,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40" (1/1) ... [2018-09-20 15:09:40,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40" (1/1) ... [2018-09-20 15:09:40,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40" (1/1) ... [2018-09-20 15:09:41,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:09:41,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:09:41,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:09:41,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:09:41,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40" (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 15:09:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:09:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:09:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:09:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-20 15:09:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-20 15:09:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-09-20 15:09:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:09:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:09:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:09:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:09:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-20 15:09:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:09:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:09:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:09:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:09:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:09:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:09:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-20 15:09:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-09-20 15:09:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:09:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:09:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:09:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:09:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:09:41,526 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:41,560 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:49,921 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:49,937 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:52,311 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:52,323 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:52,449 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:52,475 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:09:53,542 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:09:53,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:53 BoogieIcfgContainer [2018-09-20 15:09:53,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:09:53,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:09:53,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:09:53,548 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:09:53,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:09:40" (1/3) ... [2018-09-20 15:09:53,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18693548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:53, skipping insertion in model container [2018-09-20 15:09:53,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:40" (2/3) ... [2018-09-20 15:09:53,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18693548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:09:53, skipping insertion in model container [2018-09-20 15:09:53,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:53" (3/3) ... [2018-09-20 15:09:53,552 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-09-20 15:09:53,562 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:09:53,573 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:09:53,633 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:09:53,634 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:09:53,634 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:09:53,635 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:09:53,635 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:09:53,635 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:09:53,635 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:09:53,635 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:09:53,635 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:09:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-09-20 15:09:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-20 15:09:53,675 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:53,678 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] [2018-09-20 15:09:53,681 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:53,689 INFO L82 PathProgramCache]: Analyzing trace with hash 712250442, now seen corresponding path program 1 times [2018-09-20 15:09:53,695 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:09:53,696 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) [2018-09-20 15:09:53,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:09:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:53,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:09:53,990 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 15:09:53,991 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:09:54,007 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:54,008 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:09:54,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:09:54,025 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:09:54,025 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:09:54,028 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-09-20 15:09:54,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:09:54,072 INFO L93 Difference]: Finished difference Result 258 states and 328 transitions. [2018-09-20 15:09:54,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:09:54,074 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-09-20 15:09:54,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:09:54,087 INFO L225 Difference]: With dead ends: 258 [2018-09-20 15:09:54,088 INFO L226 Difference]: Without dead ends: 129 [2018-09-20 15:09:54,093 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 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 15:09:54,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-09-20 15:09:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-09-20 15:09:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-20 15:09:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2018-09-20 15:09:54,152 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 20 [2018-09-20 15:09:54,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:09:54,152 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2018-09-20 15:09:54,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:09:54,152 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2018-09-20 15:09:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-20 15:09:54,154 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:54,154 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 15:09:54,154 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:54,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2041797481, now seen corresponding path program 1 times [2018-09-20 15:09:54,156 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:09:54,156 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 15:09:54,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:54,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:09:54,533 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 15:09:54,538 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 15:09:54,539 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:54,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:54,561 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 15:09:54,562 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:09:54,680 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 15:09:54,701 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 15:09:54,701 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:54,724 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:54,750 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 15:09:54,750 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:09:55,002 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 15:09:55,003 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:09:55,016 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:55,017 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:09:55,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:09:55,019 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:09:55,019 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:09:55,019 INFO L87 Difference]: Start difference. First operand 129 states and 146 transitions. Second operand 9 states. [2018-09-20 15:09:55,670 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-20 15:10:05,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:05,240 INFO L93 Difference]: Finished difference Result 142 states and 159 transitions. [2018-09-20 15:10:05,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:10:05,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-09-20 15:10:05,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:05,247 INFO L225 Difference]: With dead ends: 142 [2018-09-20 15:10:05,247 INFO L226 Difference]: Without dead ends: 132 [2018-09-20 15:10:05,248 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:05,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-09-20 15:10:05,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2018-09-20 15:10:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-20 15:10:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 145 transitions. [2018-09-20 15:10:05,272 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 145 transitions. Word has length 29 [2018-09-20 15:10:05,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:05,272 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 145 transitions. [2018-09-20 15:10:05,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 145 transitions. [2018-09-20 15:10:05,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-20 15:10:05,274 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:05,274 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 15:10:05,276 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:05,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1186359056, now seen corresponding path program 1 times [2018-09-20 15:10:05,278 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:05,279 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) [2018-09-20 15:10:05,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:10:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:05,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:08,684 WARN L178 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-09-20 15:10:12,446 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 15:10:12,446 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:12,468 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:12,468 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:12,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:12,469 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:12,469 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:12,469 INFO L87 Difference]: Start difference. First operand 129 states and 145 transitions. Second operand 9 states. [2018-09-20 15:10:18,108 WARN L178 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-20 15:10:27,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:27,489 INFO L93 Difference]: Finished difference Result 138 states and 154 transitions. [2018-09-20 15:10:27,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-20 15:10:27,490 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-09-20 15:10:27,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:27,492 INFO L225 Difference]: With dead ends: 138 [2018-09-20 15:10:27,492 INFO L226 Difference]: Without dead ends: 131 [2018-09-20 15:10:27,493 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-20 15:10:27,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-20 15:10:27,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2018-09-20 15:10:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-09-20 15:10:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 144 transitions. [2018-09-20 15:10:27,511 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 144 transitions. Word has length 30 [2018-09-20 15:10:27,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:27,512 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 144 transitions. [2018-09-20 15:10:27,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 144 transitions. [2018-09-20 15:10:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-20 15:10:27,514 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:27,515 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] [2018-09-20 15:10:27,515 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:27,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1172364006, now seen corresponding path program 1 times [2018-09-20 15:10:27,516 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:27,516 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 15:10:27,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:28,688 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:28,729 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 15:10:28,733 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 15:10:28,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:28,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:28,749 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 15:10:28,750 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:28,770 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 15:10:28,775 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 15:10:28,776 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:28,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:28,783 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 15:10:28,784 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:28,936 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 15:10:28,937 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:28,971 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:28,971 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:28,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:28,972 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:28,972 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:28,973 INFO L87 Difference]: Start difference. First operand 129 states and 144 transitions. Second operand 9 states. [2018-09-20 15:10:29,636 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:10:35,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:35,366 INFO L93 Difference]: Finished difference Result 142 states and 157 transitions. [2018-09-20 15:10:35,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:10:35,367 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-20 15:10:35,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:35,369 INFO L225 Difference]: With dead ends: 142 [2018-09-20 15:10:35,369 INFO L226 Difference]: Without dead ends: 108 [2018-09-20 15:10:35,370 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 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 15:10:35,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-09-20 15:10:35,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-09-20 15:10:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-09-20 15:10:35,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2018-09-20 15:10:35,385 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 32 [2018-09-20 15:10:35,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:35,385 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2018-09-20 15:10:35,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2018-09-20 15:10:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-20 15:10:35,389 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:10:35,389 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, 1] [2018-09-20 15:10:35,389 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:10:35,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1687763674, now seen corresponding path program 1 times [2018-09-20 15:10:35,390 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:10:35,391 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 15:10:35,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:10:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:10:36,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:10:36,823 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 15:10:36,829 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 15:10:36,830 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:36,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:36,864 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 15:10:36,864 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:10:36,884 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 15:10:36,890 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 15:10:36,891 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:10:36,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:10:36,896 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 15:10:36,896 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:10:37,059 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 15:10:37,060 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:10:37,099 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:10:37,099 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:10:37,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:10:37,100 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:10:37,100 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:10:37,101 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 9 states. [2018-09-20 15:10:40,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:10:40,175 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2018-09-20 15:10:40,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-20 15:10:40,177 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2018-09-20 15:10:40,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:10:40,178 INFO L225 Difference]: With dead ends: 108 [2018-09-20 15:10:40,178 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:10:40,179 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:10:40,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:10:40,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:10:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:10:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:10:40,180 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-09-20 15:10:40,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:10:40,181 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:10:40,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:10:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:10:40,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:10:40,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:10:40,544 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-09-20 15:10:40,545 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-09-20 15:10:40,545 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-09-20 15:10:40,545 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:10:40,546 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:10:40,546 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:10:40,546 INFO L426 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-09-20 15:10:40,546 INFO L426 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-09-20 15:10:40,546 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-20 15:10:40,547 INFO L426 ceAbstractionStarter]: For program point L93-2(line 93) no Hoare annotation was computed. [2018-09-20 15:10:40,547 INFO L426 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-09-20 15:10:40,547 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-09-20 15:10:40,547 INFO L426 ceAbstractionStarter]: For program point L91-2(line 91) no Hoare annotation was computed. [2018-09-20 15:10:40,547 INFO L426 ceAbstractionStarter]: For program point L91-3(line 91) no Hoare annotation was computed. [2018-09-20 15:10:40,547 INFO L426 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-09-20 15:10:40,547 INFO L426 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-09-20 15:10:40,547 INFO L429 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-09-20 15:10:40,548 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-09-20 15:10:40,548 INFO L426 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-09-20 15:10:40,548 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-09-20 15:10:40,548 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-20 15:10:40,548 INFO L426 ceAbstractionStarter]: For program point L90-2(lines 83 96) no Hoare annotation was computed. [2018-09-20 15:10:40,548 INFO L426 ceAbstractionStarter]: For program point L88-1(line 88) no Hoare annotation was computed. [2018-09-20 15:10:40,548 INFO L426 ceAbstractionStarter]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2018-09-20 15:10:40,549 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-09-20 15:10:40,549 INFO L426 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-09-20 15:10:40,549 INFO L426 ceAbstractionStarter]: For program point L88-2(line 88) no Hoare annotation was computed. [2018-09-20 15:10:40,549 INFO L426 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-09-20 15:10:40,549 INFO L426 ceAbstractionStarter]: For program point L86-2(line 86) no Hoare annotation was computed. [2018-09-20 15:10:40,549 INFO L426 ceAbstractionStarter]: For program point L86-3(line 86) no Hoare annotation was computed. [2018-09-20 15:10:40,549 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:10:40,550 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:10:40,550 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:10:40,550 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:10:40,550 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 176 193) the Hoare annotation is: true [2018-09-20 15:10:40,550 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 176 193) no Hoare annotation was computed. [2018-09-20 15:10:40,550 INFO L426 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-09-20 15:10:40,550 INFO L422 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= (let ((.cse0 (fp.sub RNE .cse1 .cse1))) (fp.div RNE .cse0 .cse0)) main_~res~0) (= .cse1 main_~x~0))) [2018-09-20 15:10:40,551 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-09-20 15:10:40,551 INFO L426 ceAbstractionStarter]: For program point L187-1(lines 187 190) no Hoare annotation was computed. [2018-09-20 15:10:40,551 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 176 193) no Hoare annotation was computed. [2018-09-20 15:10:40,551 INFO L422 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-09-20 15:10:40,571 INFO L426 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-09-20 15:10:40,571 INFO L426 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-09-20 15:10:40,571 INFO L426 ceAbstractionStarter]: For program point L159-2(lines 151 169) no Hoare annotation was computed. [2018-09-20 15:10:40,571 INFO L426 ceAbstractionStarter]: For program point L159-3(lines 159 163) no Hoare annotation was computed. [2018-09-20 15:10:40,571 INFO L426 ceAbstractionStarter]: For program point L155(line 155) no Hoare annotation was computed. [2018-09-20 15:10:40,572 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-09-20 15:10:40,572 INFO L426 ceAbstractionStarter]: For program point L155-1(line 155) no Hoare annotation was computed. [2018-09-20 15:10:40,573 INFO L422 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (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 (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 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|)) [2018-09-20 15:10:40,573 INFO L426 ceAbstractionStarter]: For program point L155-2(line 155) no Hoare annotation was computed. [2018-09-20 15:10:40,573 INFO L426 ceAbstractionStarter]: For program point L155-3(line 155) no Hoare annotation was computed. [2018-09-20 15:10:40,573 INFO L422 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (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 (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 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|)) [2018-09-20 15:10:40,573 INFO L426 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-09-20 15:10:40,573 INFO L426 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L114-1(line 114) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L114-2(line 114) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L160-2(line 160) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L160-3(line 160) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-09-20 15:10:40,574 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-09-20 15:10:40,575 INFO L426 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-09-20 15:10:40,575 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-09-20 15:10:40,575 INFO L422 ceAbstractionStarter]: At program point L111-3(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-09-20 15:10:40,575 INFO L426 ceAbstractionStarter]: For program point L111-4(lines 111 115) no Hoare annotation was computed. [2018-09-20 15:10:40,575 INFO L426 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2018-09-20 15:10:40,575 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-20 15:10:40,575 INFO L426 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-09-20 15:10:40,575 INFO L426 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-09-20 15:10:40,575 INFO L426 ceAbstractionStarter]: For program point L157-2(line 157) no Hoare annotation was computed. [2018-09-20 15:10:40,576 INFO L426 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-09-20 15:10:40,576 INFO L429 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-09-20 15:10:40,576 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-20 15:10:40,576 INFO L426 ceAbstractionStarter]: For program point L112-1(line 112) no Hoare annotation was computed. [2018-09-20 15:10:40,576 INFO L426 ceAbstractionStarter]: For program point L112-2(line 112) no Hoare annotation was computed. [2018-09-20 15:10:40,576 INFO L426 ceAbstractionStarter]: For program point L112-3(line 112) no Hoare annotation was computed. [2018-09-20 15:10:40,576 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-09-20 15:10:40,576 INFO L426 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-09-20 15:10:40,576 INFO L426 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-09-20 15:10:40,576 INFO L426 ceAbstractionStarter]: For program point L162-2(line 162) no Hoare annotation was computed. [2018-09-20 15:10:40,577 INFO L426 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-09-20 15:10:40,577 INFO L426 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-09-20 15:10:40,577 INFO L422 ceAbstractionStarter]: At program point L154-3(lines 154 158) the Hoare annotation is: (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 (bvsgt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1065353216 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|)) [2018-09-20 15:10:40,577 INFO L426 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-09-20 15:10:40,577 INFO L426 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2018-09-20 15:10:40,577 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 15:10:40,581 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 15:10:40,582 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-20 15:10:40,582 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-20 15:10:40,582 INFO L426 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-09-20 15:10:40,582 INFO L429 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-09-20 15:10:40,582 INFO L426 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-09-20 15:10:40,582 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-09-20 15:10:40,582 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 15:10:40,584 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:10:40,585 INFO L426 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:10:40,585 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-09-20 15:10:40,585 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-09-20 15:10:40,585 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-09-20 15:10:40,585 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-20 15:10:40,585 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-20 15:10:40,585 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-20 15:10:40,589 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-09-20 15:10:40,589 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-09-20 15:10:40,589 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-09-20 15:10:40,590 INFO L426 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-09-20 15:10:40,590 INFO L426 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-09-20 15:10:40,590 INFO L429 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-09-20 15:10:40,590 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-09-20 15:10:40,590 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-09-20 15:10:40,591 INFO L426 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-09-20 15:10:40,591 INFO L429 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-09-20 15:10:40,591 INFO L426 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-09-20 15:10:40,591 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-09-20 15:10:40,591 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 15:10:40,592 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-20 15:10:40,592 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-20 15:10:40,592 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-20 15:10:40,592 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-09-20 15:10:40,592 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 15:10:40,592 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-09-20 15:10:40,592 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 15:10:40,592 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 15:10:40,596 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 15:10:40,596 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-09-20 15:10:40,596 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-20 15:10:40,596 INFO L429 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-09-20 15:10:40,597 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-09-20 15:10:40,597 INFO L426 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-09-20 15:10:40,608 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,609 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,610 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,612 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,619 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,619 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,619 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,620 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,620 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,620 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,621 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,621 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:10:40 BoogieIcfgContainer [2018-09-20 15:10:40,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:10:40,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:10:40,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:10:40,627 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:10:40,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:53" (3/4) ... [2018-09-20 15:10:40,633 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:10:40,640 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:10:40,640 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:10:40,641 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-09-20 15:10:40,641 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:10:40,641 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-09-20 15:10:40,641 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-09-20 15:10:40,650 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-09-20 15:10:40,650 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-09-20 15:10:40,651 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 15:10:40,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:10:40,683 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) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) [2018-09-20 15:10:40,773 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:10:40,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:10:40,774 INFO L168 Benchmark]: Toolchain (without parser) took 60362.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 954.5 MB in the beginning and 1.2 GB in the end (delta: -223.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:10:40,775 INFO L168 Benchmark]: CDTParser took 0.18 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 15:10:40,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.07 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 937.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:40,780 INFO L168 Benchmark]: Boogie Preprocessor took 69.40 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 15:10:40,780 INFO L168 Benchmark]: RCFGBuilder took 12541.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:40,781 INFO L168 Benchmark]: TraceAbstraction took 47081.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.5 MB). Peak memory consumption was 284.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:40,781 INFO L168 Benchmark]: Witness Printer took 147.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:10:40,785 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 509.07 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 937.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.40 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 12541.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 47081.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.5 MB). Peak memory consumption was 284.5 MB. Max. memory is 11.5 GB. * Witness Printer took 147.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 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 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-09-20 15:10:40,803 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,803 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,803 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,804 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,804 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,804 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,804 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,804 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,808 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,808 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,809 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,809 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,809 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,809 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,809 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-09-20 15:10:40,809 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] 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) && !~bvsgt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 1065353216bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 133 locations, 1 error locations. SAFE Result, 46.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 34.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 645 SDtfs, 350 SDslu, 3052 SDs, 0 SdLazy, 382 SolverSat, 29 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 25.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred 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, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 191 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 20 QuantifiedInterpolants, 41481 SizeOfPredicates, 28 NumberOfNonLiveVariables, 634 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...