/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0250a_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 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/double_req_bl_0250a_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 b10c5ef430fb35e4092fca9cb49d9a6f1fcba152 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false .............................................................................................................................................................................................................................................................................................................................. 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/double_req_bl_0250a_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 b10c5ef430fb35e4092fca9cb49d9a6f1fcba152 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 17:43:18,028 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:43:18,031 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:43:18,046 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:43:18,048 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:43:18,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:43:18,053 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:43:18,056 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:43:18,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:43:18,062 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:43:18,065 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:43:18,066 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:43:18,067 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:43:18,070 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:43:18,077 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:43:18,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:43:18,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:43:18,086 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:43:18,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:43:18,095 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:43:18,097 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:43:18,100 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:43:18,105 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:43:18,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:43:18,110 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:43:18,111 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:43:18,112 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:43:18,113 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:43:18,115 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:43:18,116 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:43:18,119 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:43:18,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:43:18,122 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:43:18,122 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:43:18,123 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:43:18,124 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:43:18,124 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 17:43:18,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:43:18,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:43:18,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:43:18,149 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:43:18,150 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:43:18,151 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:43:18,151 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:43:18,151 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:43:18,151 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:43:18,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 17:43:18,152 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:43:18,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:43:18,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:43:18,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:43:18,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:43:18,153 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:43:18,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:43:18,154 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:43:18,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:43:18,154 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:43:18,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:43:18,155 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:43:18,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:43:18,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:43:18,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:43:18,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:43:18,157 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 17:43:18,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:43:18,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 17:43:18,158 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 -> b10c5ef430fb35e4092fca9cb49d9a6f1fcba152 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 17:43:18,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:43:18,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:43:18,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:43:18,234 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:43:18,234 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:43:18,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0250a_true-unreach-call.c [2018-09-21 17:43:18,592 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b0bbd3b7/a8bfd65cb19a4671b8ffcc808ba67b58/FLAGb22d8bb84 [2018-09-21 17:43:18,778 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:43:18,779 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0250a_true-unreach-call.c [2018-09-21 17:43:18,792 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b0bbd3b7/a8bfd65cb19a4671b8ffcc808ba67b58/FLAGb22d8bb84 [2018-09-21 17:43:18,809 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b0bbd3b7/a8bfd65cb19a4671b8ffcc808ba67b58 [2018-09-21 17:43:18,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:43:18,818 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:43:18,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:43:18,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:43:18,827 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:43:18,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:43:18" (1/1) ... [2018-09-21 17:43:18,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef5c2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:18, skipping insertion in model container [2018-09-21 17:43:18,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:43:18" (1/1) ... [2018-09-21 17:43:18,844 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:43:19,121 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:43:19,138 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:43:19,225 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:43:19,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19 WrapperNode [2018-09-21 17:43:19,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:43:19,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:43:19,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:43:19,296 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:43:19,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... [2018-09-21 17:43:19,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:43:19,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:43:19,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:43:19,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:43:19,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:43:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:43:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:43:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 17:43:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 17:43:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-21 17:43:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-09-21 17:43:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:43:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:43:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 17:43:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 17:43:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:43:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 17:43:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 17:43:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:43:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 17:43:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 17:43:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-21 17:43:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-09-21 17:43:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:43:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:43:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:43:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 17:43:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 17:43:20,692 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:43:20,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:20 BoogieIcfgContainer [2018-09-21 17:43:20,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:43:20,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:43:20,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:43:20,697 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:43:20,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:43:18" (1/3) ... [2018-09-21 17:43:20,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b2813f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:43:20, skipping insertion in model container [2018-09-21 17:43:20,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:19" (2/3) ... [2018-09-21 17:43:20,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b2813f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:43:20, skipping insertion in model container [2018-09-21 17:43:20,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:20" (3/3) ... [2018-09-21 17:43:20,703 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250a_true-unreach-call.c [2018-09-21 17:43:20,713 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:43:20,722 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:43:20,767 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:43:20,768 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:43:20,768 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:43:20,768 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:43:20,768 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:43:20,768 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:43:20,769 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:43:20,769 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:43:20,769 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:43:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-09-21 17:43:20,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-21 17:43:20,802 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:43:20,803 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] [2018-09-21 17:43:20,806 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:43:20,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1402807134, now seen corresponding path program 1 times [2018-09-21 17:43:20,814 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:43:20,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:43:20,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:43:20,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:43:20,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:43:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:43:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:43:20,994 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:43:20,994 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:43:20,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:43:21,016 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:43:21,017 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:43:21,021 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-09-21 17:43:21,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:43:21,061 INFO L93 Difference]: Finished difference Result 162 states and 188 transitions. [2018-09-21 17:43:21,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:43:21,063 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-21 17:43:21,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:43:21,076 INFO L225 Difference]: With dead ends: 162 [2018-09-21 17:43:21,077 INFO L226 Difference]: Without dead ends: 158 [2018-09-21 17:43:21,079 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 [2018-09-21 17:43:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-09-21 17:43:21,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-09-21 17:43:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-09-21 17:43:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2018-09-21 17:43:21,133 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 23 [2018-09-21 17:43:21,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:43:21,134 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2018-09-21 17:43:21,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:43:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2018-09-21 17:43:21,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-21 17:43:21,136 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:43:21,136 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] [2018-09-21 17:43:21,136 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:43:21,137 INFO L82 PathProgramCache]: Analyzing trace with hash -2035742647, now seen corresponding path program 1 times [2018-09-21 17:43:21,137 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:43:21,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:43:21,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:43:21,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:43:21,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:43:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:43:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:43:21,269 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 17:43:21,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:43:21 BoogieIcfgContainer [2018-09-21 17:43:21,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:43:21,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:43:21,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:43:21,347 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:43:21,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:20" (3/4) ... [2018-09-21 17:43:21,352 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 17:43:21,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:43:21,353 INFO L168 Benchmark]: Toolchain (without parser) took 2538.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 949.2 MB in the beginning and 991.6 MB in the end (delta: -42.4 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,356 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:43:21,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.93 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,358 INFO L168 Benchmark]: Boogie Preprocessor took 69.10 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 927.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,359 INFO L168 Benchmark]: RCFGBuilder took 1327.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 927.7 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,360 INFO L168 Benchmark]: TraceAbstraction took 652.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.6 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-09-21 17:43:21,361 INFO L168 Benchmark]: Witness Printer took 5.52 ms. Allocated memory is still 1.1 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:43:21,366 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 475.93 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.10 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 927.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1327.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 927.7 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 652.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.6 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.52 ms. Allocated memory is still 1.1 GB. Free memory is still 991.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 243]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 152, overapproximation of someBinaryArithmeticDOUBLEoperation at line 187, overapproximation of bitwiseAnd at line 170, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L146-L160] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [\old(huge_asin)=29, \old(one_asin)=16, \old(one_sqrt)=14, \old(pio2_hi_asin)=15, \old(pio2_lo_asin)=24, \old(pio4_hi_asin)=17, \old(pS0_asin)=22, \old(pS1_asin)=18, \old(pS2_asin)=12, \old(pS3_asin)=21, \old(pS4_asin)=27, \old(pS5_asin)=19, \old(qS1_asin)=31, \old(qS2_asin)=28, \old(qS3_asin)=9, \old(qS4_asin)=25, \old(tiny_sqrt)=26, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] double x = 1.0 / 0.0; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L239] CALL, EXPR __ieee754_asin(x) VAL [\old(x)=13, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L163] double t, w, p, q, c, r, s; [L164] __int32_t hx, ix; VAL [\old(x)=13, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L166] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=13, gh_u={11:0}, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L167] FCALL gh_u.value = (x) VAL [\old(x)=13, gh_u={11:0}, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L168] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=13, gh_u={11:0}, gh_u.parts.msw=3, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L168] (hx) = gh_u.parts.msw VAL [\old(x)=13, gh_u={11:0}, gh_u.parts.msw=3, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L168] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=23, \old(x)=13, gh_u={11:0}, gh_u.parts.msw=3, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L169] COND FALSE !(0) VAL [\old(x)=13, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L170] ix = hx & 0x7fffffff VAL [\old(x)=13, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L171] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=13, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L182] COND TRUE ix < 0x3fe00000 VAL [\old(x)=13, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L183] COND FALSE !(ix < 0x3e400000) [L187] t = x * x [L188-L191] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L192-L193] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L194] w = p / q [L195] RET return x + x * w; VAL [\old(x)=13, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=3, ix=1044381696, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L239] EXPR __ieee754_asin(x) VAL [__ieee754_asin(x)=30, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L239] double res = __ieee754_asin(x); [L242] CALL, EXPR isnan_double(res) VAL [\old(x)=30, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] RET return x != x; VAL [\old(x)=30, \result=0, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=30] [L242] EXPR isnan_double(res) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=30, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] [L242] COND TRUE !isnan_double(res) [L243] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=30, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=13] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 162 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 188 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=162occurred 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, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 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 0.1.23-5eb3fea [2018-09-21 17:43:23,762 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:43:23,764 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:43:23,777 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:43:23,777 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:43:23,778 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:43:23,780 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:43:23,782 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:43:23,784 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:43:23,785 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:43:23,786 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:43:23,786 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:43:23,787 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:43:23,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:43:23,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:43:23,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:43:23,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:43:23,794 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:43:23,796 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:43:23,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:43:23,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:43:23,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:43:23,803 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:43:23,803 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:43:23,803 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:43:23,804 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:43:23,806 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:43:23,807 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:43:23,808 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:43:23,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:43:23,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:43:23,810 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:43:23,810 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:43:23,811 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:43:23,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:43:23,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:43:23,813 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 17:43:23,830 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:43:23,830 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:43:23,831 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:43:23,831 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:43:23,833 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:43:23,833 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:43:23,833 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:43:23,833 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:43:23,834 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:43:23,834 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:43:23,834 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:43:23,834 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:43:23,835 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:43:23,835 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:43:23,835 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 17:43:23,835 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 17:43:23,835 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:43:23,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:43:23,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:43:23,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:43:23,836 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:43:23,838 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:43:23,838 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:43:23,838 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:43:23,839 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:43:23,839 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:43:23,839 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:43:23,840 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 17:43:23,840 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:43:23,841 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 17:43:23,841 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 17:43:23,841 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 -> b10c5ef430fb35e4092fca9cb49d9a6f1fcba152 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 17:43:23,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:43:23,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:43:23,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:43:23,915 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:43:23,916 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:43:23,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0250a_true-unreach-call.c [2018-09-21 17:43:24,325 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e7f8ed52/23597a00105a4f63bc541fe4816faddb/FLAG778b3acf7 [2018-09-21 17:43:24,507 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:43:24,508 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0250a_true-unreach-call.c [2018-09-21 17:43:24,527 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e7f8ed52/23597a00105a4f63bc541fe4816faddb/FLAG778b3acf7 [2018-09-21 17:43:24,544 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e7f8ed52/23597a00105a4f63bc541fe4816faddb [2018-09-21 17:43:24,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:43:24,552 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:43:24,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:43:24,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:43:24,561 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:43:24,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:43:24" (1/1) ... [2018-09-21 17:43:24,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319718f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:24, skipping insertion in model container [2018-09-21 17:43:24,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:43:24" (1/1) ... [2018-09-21 17:43:24,578 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:43:24,963 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:43:25,004 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:43:25,101 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:43:25,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25 WrapperNode [2018-09-21 17:43:25,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:43:25,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:43:25,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:43:25,174 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:43:25,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (1/1) ... [2018-09-21 17:43:25,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:43:25,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:43:25,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:43:25,250 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:43:25,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (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 [2018-09-21 17:43:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:43:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:43:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 17:43:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 17:43:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-21 17:43:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asin [2018-09-21 17:43:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:43:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:43:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 17:43:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 17:43:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:43:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 17:43:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 17:43:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:43:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 17:43:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 17:43:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-21 17:43:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asin [2018-09-21 17:43:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:43:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:43:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:43:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 17:43:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 17:43:25,842 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:25,877 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:25,907 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:29,721 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:29,747 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:29,815 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:29,861 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:29,872 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:29,895 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:29,905 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:42,369 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:43:45,401 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:43:45,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:45 BoogieIcfgContainer [2018-09-21 17:43:45,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:43:45,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:43:45,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:43:45,410 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:43:45,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:43:24" (1/3) ... [2018-09-21 17:43:45,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dd2317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:43:45, skipping insertion in model container [2018-09-21 17:43:45,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:43:25" (2/3) ... [2018-09-21 17:43:45,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dd2317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:43:45, skipping insertion in model container [2018-09-21 17:43:45,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:45" (3/3) ... [2018-09-21 17:43:45,417 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250a_true-unreach-call.c [2018-09-21 17:43:45,428 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:43:45,438 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:43:45,493 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:43:45,494 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:43:45,494 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:43:45,494 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:43:45,494 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:43:45,494 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:43:45,495 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:43:45,495 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:43:45,495 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:43:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-09-21 17:43:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-21 17:43:45,531 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:43:45,533 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] [2018-09-21 17:43:45,536 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:43:45,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1379795380, now seen corresponding path program 1 times [2018-09-21 17:43:45,548 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:43:45,549 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) [2018-09-21 17:43:45,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-21 17:43:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:43:46,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:43:46,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:43:46,451 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:43:46,472 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:43:46,472 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:43:46,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:43:46,488 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:43:46,489 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:43:46,492 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-09-21 17:43:46,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:43:46,524 INFO L93 Difference]: Finished difference Result 161 states and 187 transitions. [2018-09-21 17:43:46,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:43:46,526 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-21 17:43:46,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:43:46,542 INFO L225 Difference]: With dead ends: 161 [2018-09-21 17:43:46,542 INFO L226 Difference]: Without dead ends: 157 [2018-09-21 17:43:46,545 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:43:46,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-09-21 17:43:46,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-09-21 17:43:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-09-21 17:43:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 183 transitions. [2018-09-21 17:43:46,604 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 183 transitions. Word has length 22 [2018-09-21 17:43:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:43:46,605 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 183 transitions. [2018-09-21 17:43:46,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:43:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 183 transitions. [2018-09-21 17:43:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-21 17:43:46,607 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:43:46,608 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] [2018-09-21 17:43:46,608 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:43:46,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1905554338, now seen corresponding path program 1 times [2018-09-21 17:43:46,609 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:43:46,609 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 [2018-09-21 17:43:46,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:43:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:43:51,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:43:51,372 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 14 treesize of output 11 [2018-09-21 17:43:51,388 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 11 treesize of output 10 [2018-09-21 17:43:51,389 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:43:51,420 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:43:51,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:43:51,498 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:43:51,625 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 20 treesize of output 16 [2018-09-21 17:43:51,642 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 16 treesize of output 4 [2018-09-21 17:43:51,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:43:51,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:43:51,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:43:51,745 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:43:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:43:52,252 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:43:52,370 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:43:52,370 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:43:52,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:43:52,375 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:43:52,376 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:43:52,376 INFO L87 Difference]: Start difference. First operand 157 states and 183 transitions. Second operand 9 states. [2018-09-21 17:44:08,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:44:08,812 INFO L93 Difference]: Finished difference Result 162 states and 187 transitions. [2018-09-21 17:44:08,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 17:44:08,814 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-21 17:44:08,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:44:08,818 INFO L225 Difference]: With dead ends: 162 [2018-09-21 17:44:08,819 INFO L226 Difference]: Without dead ends: 144 [2018-09-21 17:44:08,820 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-21 17:44:08,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-09-21 17:44:08,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-09-21 17:44:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-09-21 17:44:08,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 167 transitions. [2018-09-21 17:44:08,835 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 167 transitions. Word has length 31 [2018-09-21 17:44:08,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:44:08,836 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 167 transitions. [2018-09-21 17:44:08,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:44:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 167 transitions. [2018-09-21 17:44:08,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-21 17:44:08,838 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:44:08,839 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] [2018-09-21 17:44:08,839 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:44:08,839 INFO L82 PathProgramCache]: Analyzing trace with hash 368156201, now seen corresponding path program 1 times [2018-09-21 17:44:08,840 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:44:08,841 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-21 17:44:08,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:44:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:44:09,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:44:09,718 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 14 treesize of output 11 [2018-09-21 17:44:09,725 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 11 treesize of output 10 [2018-09-21 17:44:09,725 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:44:09,734 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:44:09,755 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:44:09,756 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:44:09,817 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 20 treesize of output 16 [2018-09-21 17:44:09,825 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 16 treesize of output 4 [2018-09-21 17:44:09,826 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:44:09,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:44:09,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:44:09,845 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:44:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:44:10,195 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:44:10,221 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:44:10,222 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:44:10,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:44:10,223 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:44:10,223 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:44:10,223 INFO L87 Difference]: Start difference. First operand 144 states and 167 transitions. Second operand 9 states. [2018-09-21 17:44:21,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:44:21,521 INFO L93 Difference]: Finished difference Result 146 states and 168 transitions. [2018-09-21 17:44:21,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 17:44:21,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-09-21 17:44:21,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:44:21,525 INFO L225 Difference]: With dead ends: 146 [2018-09-21 17:44:21,525 INFO L226 Difference]: Without dead ends: 144 [2018-09-21 17:44:21,526 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2018-09-21 17:44:21,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-09-21 17:44:21,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-09-21 17:44:21,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-09-21 17:44:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2018-09-21 17:44:21,536 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 40 [2018-09-21 17:44:21,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:44:21,537 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2018-09-21 17:44:21,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:44:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2018-09-21 17:44:21,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-21 17:44:21,540 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:44:21,540 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] [2018-09-21 17:44:21,541 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:44:21,541 INFO L82 PathProgramCache]: Analyzing trace with hash 171642696, now seen corresponding path program 1 times [2018-09-21 17:44:21,542 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:44:21,542 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) [2018-09-21 17:44:21,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-21 17:44:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:44:22,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:44:24,945 WARN L797 $PredicateComparison]: unable to prove that (= (let ((.cse0 (fp.sub RNE |c___ieee754_asin_#in~x| |c___ieee754_asin_#in~x|))) (fp.div RNE .cse0 .cse0)) |c___ieee754_asin_#res|) is different from false [2018-09-21 17:44:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:44:27,443 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:44:27,467 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:44:27,467 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:44:27,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:44:27,468 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:44:27,468 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-09-21 17:44:27,468 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand 9 states. [2018-09-21 17:44:30,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:44:30,937 INFO L93 Difference]: Finished difference Result 149 states and 171 transitions. [2018-09-21 17:44:30,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-21 17:44:30,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-09-21 17:44:30,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:44:30,940 INFO L225 Difference]: With dead ends: 149 [2018-09-21 17:44:30,941 INFO L226 Difference]: Without dead ends: 133 [2018-09-21 17:44:30,941 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-09-21 17:44:30,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-09-21 17:44:30,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-09-21 17:44:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-09-21 17:44:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2018-09-21 17:44:30,955 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 40 [2018-09-21 17:44:30,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:44:30,955 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2018-09-21 17:44:30,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:44:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2018-09-21 17:44:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-21 17:44:30,959 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:44:30,959 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, 1, 1, 1, 1] [2018-09-21 17:44:30,960 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:44:30,960 INFO L82 PathProgramCache]: Analyzing trace with hash -698539822, now seen corresponding path program 1 times [2018-09-21 17:44:30,961 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:44:30,962 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 [2018-09-21 17:44:30,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:44:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:44:36,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:44:36,174 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 14 treesize of output 11 [2018-09-21 17:44:36,184 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 11 treesize of output 10 [2018-09-21 17:44:36,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:44:36,191 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:44:36,208 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:44:36,209 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:44:36,261 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 20 treesize of output 16 [2018-09-21 17:44:36,270 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 16 treesize of output 4 [2018-09-21 17:44:36,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:44:36,275 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:44:36,288 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 17:44:36,288 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:44:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:44:36,547 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:44:36,656 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:44:36,656 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 17:44:36,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 17:44:36,657 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 17:44:36,658 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-21 17:44:36,659 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 9 states. [2018-09-21 17:44:42,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:44:42,920 INFO L93 Difference]: Finished difference Result 125 states and 146 transitions. [2018-09-21 17:44:42,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-21 17:44:42,922 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2018-09-21 17:44:42,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:44:42,923 INFO L225 Difference]: With dead ends: 125 [2018-09-21 17:44:42,923 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 17:44:42,924 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-21 17:44:42,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 17:44:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 17:44:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 17:44:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 17:44:42,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2018-09-21 17:44:42,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:44:42,927 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 17:44:42,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 17:44:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 17:44:42,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 17:44:42,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:44:42 BoogieIcfgContainer [2018-09-21 17:44:42,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:44:42,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:44:42,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:44:42,935 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:44:42,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:43:45" (3/4) ... [2018-09-21 17:44:42,942 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 17:44:42,951 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-09-21 17:44:42,951 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-09-21 17:44:42,951 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-21 17:44:42,951 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asin [2018-09-21 17:44:42,951 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 17:44:42,952 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 17:44:42,963 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-09-21 17:44:42,963 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-09-21 17:44:42,964 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-09-21 17:44:43,102 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 17:44:43,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:44:43,108 INFO L168 Benchmark]: Toolchain (without parser) took 78558.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -204.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:44:43,110 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-09-21 17:44:43,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.90 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:44:43,111 INFO L168 Benchmark]: Boogie Preprocessor took 74.96 ms. Allocated memory is still 1.0 GB. Free memory is still 928.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:44:43,111 INFO L168 Benchmark]: RCFGBuilder took 20152.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 928.2 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-09-21 17:44:43,112 INFO L168 Benchmark]: TraceAbstraction took 57531.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:44:43,112 INFO L168 Benchmark]: Witness Printer took 171.74 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:44:43,116 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 619.90 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.96 ms. Allocated memory is still 1.0 GB. Free memory is still 928.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 20152.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 928.2 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 57531.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -96.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 171.74 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 243]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 161 locations, 1 error locations. SAFE Result, 57.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 37.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 798 SDtfs, 260 SDslu, 3869 SDs, 0 SdLazy, 360 SolverSat, 29 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 30.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 10.9s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 208 ConstructedInterpolants, 53 QuantifiedInterpolants, 61678 SizeOfPredicates, 29 NumberOfNonLiveVariables, 693 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...