/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0620b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0620b_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 4c57c239736851c67037a19023adceb82e24847c .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0620b_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 4c57c239736851c67037a19023adceb82e24847c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 14:35:35,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:35:35,575 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:35:35,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:35:35,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:35:35,590 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:35:35,591 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:35:35,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:35:35,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:35:35,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:35:35,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:35:35,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:35:35,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:35:35,600 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:35:35,601 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:35:35,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:35:35,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:35:35,605 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:35:35,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:35:35,609 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:35:35,610 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:35:35,612 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:35:35,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:35:35,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:35:35,615 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:35:35,616 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:35:35,618 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:35:35,619 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:35:35,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:35:35,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:35:35,622 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:35:35,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:35:35,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:35:35,623 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:35:35,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:35:35,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:35:35,626 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:35:35,661 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:35:35,661 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:35:35,662 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:35:35,663 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:35:35,663 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:35:35,663 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:35:35,668 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:35:35,668 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:35:35,668 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:35:35,668 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:35:35,669 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:35:35,669 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:35:35,669 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:35:35,669 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:35:35,669 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:35:35,671 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:35:35,671 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:35:35,671 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:35:35,672 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:35:35,672 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:35:35,672 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:35:35,672 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:35:35,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:35:35,675 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:35:35,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:35:35,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:35:35,675 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:35:35,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:35:35,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:35:35,676 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 -> 4c57c239736851c67037a19023adceb82e24847c [2018-09-20 14:35:35,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:35:35,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:35:35,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:35:35,762 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:35:35,762 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:35:35,763 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-09-20 14:35:36,159 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8adec2411/e435881915b6471ca9e24b2d1f73fd46/FLAGb19d27dfb [2018-09-20 14:35:36,347 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:35:36,348 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-09-20 14:35:36,370 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8adec2411/e435881915b6471ca9e24b2d1f73fd46/FLAGb19d27dfb [2018-09-20 14:35:36,388 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8adec2411/e435881915b6471ca9e24b2d1f73fd46 [2018-09-20 14:35:36,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:35:36,396 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:35:36,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:35:36,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:35:36,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:35:36,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:35:36" (1/1) ... [2018-09-20 14:35:36,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b8a3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36, skipping insertion in model container [2018-09-20 14:35:36,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:35:36" (1/1) ... [2018-09-20 14:35:36,423 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:35:36,741 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:35:36,763 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:35:36,798 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:35:36,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36 WrapperNode [2018-09-20 14:35:36,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:35:36,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:35:36,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:35:36,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:35:36,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36" (1/1) ... [2018-09-20 14:35:36,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36" (1/1) ... [2018-09-20 14:35:36,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36" (1/1) ... [2018-09-20 14:35:36,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36" (1/1) ... [2018-09-20 14:35:36,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36" (1/1) ... [2018-09-20 14:35:36,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36" (1/1) ... [2018-09-20 14:35:36,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36" (1/1) ... [2018-09-20 14:35:36,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:35:36,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:35:36,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:35:36,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:35:36,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:35:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:35:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:35:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-20 14:35:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-20 14:35:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-20 14:35:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:35:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:35:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:35:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-20 14:35:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:35:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 14:35:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 14:35:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:35:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 14:35:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 14:35:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-20 14:35:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-20 14:35:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:35:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:35:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:35:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 14:35:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 14:35:37,985 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:35:37,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:35:37 BoogieIcfgContainer [2018-09-20 14:35:37,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:35:37,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:35:37,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:35:37,991 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:35:37,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:35:36" (1/3) ... [2018-09-20 14:35:37,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e1545b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:35:37, skipping insertion in model container [2018-09-20 14:35:37,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:36" (2/3) ... [2018-09-20 14:35:37,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e1545b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:35:37, skipping insertion in model container [2018-09-20 14:35:37,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:35:37" (3/3) ... [2018-09-20 14:35:37,995 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620b_true-unreach-call.c [2018-09-20 14:35:38,005 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:35:38,014 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:35:38,061 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:35:38,062 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:35:38,062 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:35:38,062 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:35:38,063 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:35:38,063 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:35:38,063 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:35:38,063 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:35:38,063 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:35:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-09-20 14:35:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-20 14:35:38,095 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:35:38,096 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:35:38,098 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:35:38,104 INFO L82 PathProgramCache]: Analyzing trace with hash 103023201, now seen corresponding path program 1 times [2018-09-20 14:35:38,106 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:35:38,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:35:38,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:35:38,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:35:38,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:35:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:35:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:35:38,282 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:35:38,283 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:35:38,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:35:38,303 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:35:38,304 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:35:38,307 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-09-20 14:35:38,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:35:38,342 INFO L93 Difference]: Finished difference Result 188 states and 234 transitions. [2018-09-20 14:35:38,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:35:38,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-20 14:35:38,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:35:38,355 INFO L225 Difference]: With dead ends: 188 [2018-09-20 14:35:38,355 INFO L226 Difference]: Without dead ends: 94 [2018-09-20 14:35:38,359 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:35:38,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-09-20 14:35:38,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-09-20 14:35:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-09-20 14:35:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2018-09-20 14:35:38,406 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 19 [2018-09-20 14:35:38,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:35:38,406 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2018-09-20 14:35:38,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:35:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2018-09-20 14:35:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-20 14:35:38,408 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:35:38,408 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:35:38,409 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:35:38,409 INFO L82 PathProgramCache]: Analyzing trace with hash 803168314, now seen corresponding path program 1 times [2018-09-20 14:35:38,409 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:35:38,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:35:38,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:35:38,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:35:38,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:35:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:35:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:35:38,555 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:35:38,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:35:38 BoogieIcfgContainer [2018-09-20 14:35:38,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:35:38,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:35:38,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:35:38,599 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:35:38,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:35:37" (3/4) ... [2018-09-20 14:35:38,604 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:35:38,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:35:38,605 INFO L168 Benchmark]: Toolchain (without parser) took 2211.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -122.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-09-20 14:35:38,607 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:35:38,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.42 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:35:38,609 INFO L168 Benchmark]: Boogie Preprocessor took 84.53 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:35:38,609 INFO L168 Benchmark]: RCFGBuilder took 1043.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-09-20 14:35:38,610 INFO L168 Benchmark]: TraceAbstraction took 611.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:35:38,611 INFO L168 Benchmark]: Witness Printer took 5.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:35:38,616 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 455.42 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.53 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1043.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 611.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 73. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [\old(huge_atan)=6442450956, \old(one_atan)=6442450945, \old(pi)=6442450952, \old(pi_o_2)=6442450946, \old(pi_o_4)=6442450948, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L154] double x = 0.0; VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L155] CALL, EXPR atan_double(x) VAL [\old(x)=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L65] double w, s1, s2, z; [L66] __int32_t ix, hx, id; VAL [\old(x)=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L69] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=0, gh_u={6442450951:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L70] FCALL gh_u.value = (x) VAL [\old(x)=0, gh_u={6442450951:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L71] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=0, gh_u={6442450951:0}, gh_u.parts.msw=6442450944, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L71] (hx) = gh_u.parts.msw VAL [\old(x)=0, gh_u={6442450951:0}, gh_u.parts.msw=6442450944, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L71] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=6442450958, \old(x)=0, gh_u={6442450951:0}, gh_u.parts.msw=6442450944, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L72] COND FALSE !(0) VAL [\old(x)=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L73] ix = hx & 0x7fffffff VAL [\old(x)=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L74] COND FALSE !(ix >= 0x44100000) VAL [\old(x)=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L88] COND TRUE ix < 0x3fdc0000 VAL [\old(x)=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L89] COND TRUE ix < 0x3e200000 VAL [\old(x)=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L90] COND TRUE huge_atan + x > one_atan [L91] RET return x; VAL [\old(x)=0, \result=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L155] EXPR atan_double(x) VAL [atan_double(x)=0, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L155] double res = atan_double(x); [L158] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=0, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L158] COND FALSE, EXPR !(res == 0.0 && __signbit_double(res) == 0) VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=0, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L158] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L159] __VERIFIER_error() VAL [huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 98 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 109 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=98occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 14:35:40,907 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:35:40,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:35:40,927 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:35:40,927 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:35:40,929 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:35:40,933 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:35:40,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:35:40,937 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:35:40,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:35:40,940 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:35:40,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:35:40,942 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:35:40,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:35:40,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:35:40,944 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:35:40,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:35:40,947 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:35:40,949 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:35:40,950 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:35:40,951 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:35:40,952 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:35:40,955 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:35:40,955 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:35:40,955 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:35:40,956 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:35:40,957 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:35:40,958 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:35:40,959 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:35:40,960 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:35:40,960 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:35:40,961 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:35:40,961 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:35:40,961 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:35:40,962 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:35:40,963 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:35:40,963 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:35:40,979 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:35:40,980 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:35:40,981 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:35:40,981 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:35:40,981 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:35:40,982 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:35:40,982 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:35:40,982 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:35:40,982 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:35:40,982 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:35:40,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:35:40,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:35:40,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:35:40,983 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:35:40,983 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:35:40,983 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:35:40,984 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:35:40,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:35:40,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:35:40,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:35:40,984 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:35:40,984 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:35:40,985 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:35:40,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:35:40,985 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:35:40,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:35:40,985 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:35:40,985 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:35:40,986 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:35:40,986 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:35:40,986 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:35:40,986 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 -> 4c57c239736851c67037a19023adceb82e24847c [2018-09-20 14:35:41,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:35:41,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:35:41,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:35:41,053 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:35:41,054 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:35:41,055 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-09-20 14:35:41,401 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5defe3343/5a0370f9c51d4ec38325fd170bfbb33a/FLAG704507e78 [2018-09-20 14:35:41,612 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:35:41,614 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-09-20 14:35:41,634 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5defe3343/5a0370f9c51d4ec38325fd170bfbb33a/FLAG704507e78 [2018-09-20 14:35:41,666 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5defe3343/5a0370f9c51d4ec38325fd170bfbb33a [2018-09-20 14:35:41,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:35:41,676 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:35:41,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:35:41,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:35:41,689 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:35:41,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:35:41" (1/1) ... [2018-09-20 14:35:41,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b8a3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:41, skipping insertion in model container [2018-09-20 14:35:41,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:35:41" (1/1) ... [2018-09-20 14:35:41,713 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:35:42,051 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:35:42,084 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:35:42,123 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:35:42,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42 WrapperNode [2018-09-20 14:35:42,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:35:42,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:35:42,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:35:42,176 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:35:42,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... [2018-09-20 14:35:42,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:35:42,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:35:42,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:35:42,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:35:42,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:35:42,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:35:42,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:35:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-20 14:35:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-09-20 14:35:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-20 14:35:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:35:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:35:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:35:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-20 14:35:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:35:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:35:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:35:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:35:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:35:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:35:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-09-20 14:35:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-20 14:35:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:35:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:35:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:35:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:35:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:35:42,736 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:35:42,790 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:35:42,957 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:35:43,035 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:35:43,053 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:02,860 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:02,872 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:02,915 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:02,958 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:36:03,040 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:36:03,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:36:03 BoogieIcfgContainer [2018-09-20 14:36:03,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:36:03,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:36:03,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:36:03,046 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:36:03,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:35:41" (1/3) ... [2018-09-20 14:36:03,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eff7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:36:03, skipping insertion in model container [2018-09-20 14:36:03,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:35:42" (2/3) ... [2018-09-20 14:36:03,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eff7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:36:03, skipping insertion in model container [2018-09-20 14:36:03,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:36:03" (3/3) ... [2018-09-20 14:36:03,053 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620b_true-unreach-call.c [2018-09-20 14:36:03,064 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:36:03,075 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:36:03,135 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:36:03,137 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:36:03,137 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:36:03,137 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:36:03,137 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:36:03,137 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:36:03,138 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:36:03,138 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:36:03,138 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:36:03,164 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-09-20 14:36:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-20 14:36:03,175 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:36:03,176 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:36:03,179 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:36:03,186 INFO L82 PathProgramCache]: Analyzing trace with hash 103023201, now seen corresponding path program 1 times [2018-09-20 14:36:03,193 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:36:03,194 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 14:36:03,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 14:36:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:36:03,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:36:03,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:36:03,399 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:36:03,416 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:36:03,417 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:36:03,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:36:03,437 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:36:03,438 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:36:03,440 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-09-20 14:36:03,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:36:03,473 INFO L93 Difference]: Finished difference Result 188 states and 234 transitions. [2018-09-20 14:36:03,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:36:03,475 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-20 14:36:03,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:36:03,489 INFO L225 Difference]: With dead ends: 188 [2018-09-20 14:36:03,489 INFO L226 Difference]: Without dead ends: 94 [2018-09-20 14:36:03,494 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:36:03,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-09-20 14:36:03,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-09-20 14:36:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-09-20 14:36:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2018-09-20 14:36:03,548 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 19 [2018-09-20 14:36:03,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:36:03,548 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2018-09-20 14:36:03,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:36:03,549 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2018-09-20 14:36:03,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-20 14:36:03,551 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:36:03,551 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:36:03,552 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:36:03,552 INFO L82 PathProgramCache]: Analyzing trace with hash 803168314, now seen corresponding path program 1 times [2018-09-20 14:36:03,553 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:36:03,553 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 14:36:03,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:36:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:36:03,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:36:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:36:04,022 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:36:04,038 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:36:04,039 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-20 14:36:04,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-20 14:36:04,041 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-20 14:36:04,041 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-20 14:36:04,041 INFO L87 Difference]: Start difference. First operand 94 states and 105 transitions. Second operand 7 states. [2018-09-20 14:36:27,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:36:27,767 INFO L93 Difference]: Finished difference Result 104 states and 115 transitions. [2018-09-20 14:36:28,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 14:36:28,230 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-09-20 14:36:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:36:28,234 INFO L225 Difference]: With dead ends: 104 [2018-09-20 14:36:28,235 INFO L226 Difference]: Without dead ends: 101 [2018-09-20 14:36:28,236 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-20 14:36:28,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-09-20 14:36:28,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2018-09-20 14:36:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-20 14:36:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions. [2018-09-20 14:36:28,251 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 29 [2018-09-20 14:36:28,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:36:28,252 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions. [2018-09-20 14:36:28,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-20 14:36:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2018-09-20 14:36:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 14:36:28,255 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:36:28,255 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] [2018-09-20 14:36:28,255 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:36:28,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1216668900, now seen corresponding path program 1 times [2018-09-20 14:36:28,257 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:36:28,257 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 14:36:28,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:36:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:36:33,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:36:33,307 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 [2018-09-20 14:36:33,318 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 [2018-09-20 14:36:33,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:36:33,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:36:33,371 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. [2018-09-20 14:36:33,372 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:36:33,490 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 [2018-09-20 14:36:33,507 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 [2018-09-20 14:36:33,508 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:36:33,534 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:36:33,613 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. [2018-09-20 14:36:33,614 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:36:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:36:34,078 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:36:34,177 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:36:34,178 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:36:34,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:36:34,178 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:36:34,179 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:36:34,179 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand 9 states. [2018-09-20 14:36:34,975 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:36:58,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:36:58,785 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2018-09-20 14:36:59,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:36:59,225 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-20 14:36:59,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:36:59,227 INFO L225 Difference]: With dead ends: 129 [2018-09-20 14:36:59,227 INFO L226 Difference]: Without dead ends: 87 [2018-09-20 14:36:59,229 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:36:59,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-20 14:36:59,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2018-09-20 14:36:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-09-20 14:36:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2018-09-20 14:36:59,240 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 93 transitions. Word has length 31 [2018-09-20 14:36:59,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:36:59,241 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 93 transitions. [2018-09-20 14:36:59,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:36:59,241 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2018-09-20 14:36:59,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-20 14:36:59,242 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:36:59,243 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:36:59,243 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:36:59,244 INFO L82 PathProgramCache]: Analyzing trace with hash 414547809, now seen corresponding path program 1 times [2018-09-20 14:36:59,245 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:36:59,245 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 14:36:59,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:37:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:37:04,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:37:08,161 WARN L178 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 14 [2018-09-20 14:37:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:37:08,190 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:37:08,278 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:37:08,279 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 14:37:08,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 14:37:08,279 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 14:37:08,280 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-20 14:37:08,280 INFO L87 Difference]: Start difference. First operand 86 states and 93 transitions. Second operand 6 states. [2018-09-20 14:37:19,831 WARN L178 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 16 [2018-09-20 14:37:42,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:37:42,132 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2018-09-20 14:37:42,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 14:37:42,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-09-20 14:37:42,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:37:42,136 INFO L225 Difference]: With dead ends: 114 [2018-09-20 14:37:42,136 INFO L226 Difference]: Without dead ends: 86 [2018-09-20 14:37:42,137 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-20 14:37:42,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-09-20 14:37:42,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2018-09-20 14:37:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-20 14:37:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions. [2018-09-20 14:37:42,150 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 32 [2018-09-20 14:37:42,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:37:42,150 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions. [2018-09-20 14:37:42,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 14:37:42,151 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2018-09-20 14:37:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-20 14:37:42,153 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:37:42,153 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] [2018-09-20 14:37:42,153 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:37:42,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1880667473, now seen corresponding path program 1 times [2018-09-20 14:37:42,154 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:37:42,154 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 14:37:42,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:37:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:37:42,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:37:42,526 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 [2018-09-20 14:37:42,534 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 [2018-09-20 14:37:42,534 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:37:42,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:37:42,556 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. [2018-09-20 14:37:42,556 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:37:42,630 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 [2018-09-20 14:37:42,636 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 [2018-09-20 14:37:42,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:37:42,641 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:37:42,654 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. [2018-09-20 14:37:42,654 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:37:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:37:43,032 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:37:43,044 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:37:43,045 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-20 14:37:43,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-20 14:37:43,045 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-20 14:37:43,046 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-09-20 14:37:43,046 INFO L87 Difference]: Start difference. First operand 85 states and 91 transitions. Second operand 14 states. [2018-09-20 14:37:44,819 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-09-20 14:38:09,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:38:09,898 INFO L93 Difference]: Finished difference Result 90 states and 96 transitions. [2018-09-20 14:38:09,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-20 14:38:09,899 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2018-09-20 14:38:09,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:38:09,901 INFO L225 Difference]: With dead ends: 90 [2018-09-20 14:38:09,901 INFO L226 Difference]: Without dead ends: 79 [2018-09-20 14:38:09,903 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-09-20 14:38:09,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-20 14:38:09,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-20 14:38:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-20 14:38:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2018-09-20 14:38:09,918 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 45 [2018-09-20 14:38:09,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:38:09,918 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2018-09-20 14:38:09,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-20 14:38:09,919 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2018-09-20 14:38:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-20 14:38:09,921 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:38:09,922 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] [2018-09-20 14:38:09,922 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:38:09,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1533934026, now seen corresponding path program 1 times [2018-09-20 14:38:09,924 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:38:09,924 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 14:38:09,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:38:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:38:15,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:38:16,008 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 [2018-09-20 14:38:16,017 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 [2018-09-20 14:38:16,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:38:16,042 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:38:16,107 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. [2018-09-20 14:38:16,108 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:38:16,196 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 [2018-09-20 14:38:16,209 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 [2018-09-20 14:38:16,210 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:38:16,235 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:38:16,257 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. [2018-09-20 14:38:16,258 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:38:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:38:16,538 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:38:16,649 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:38:16,650 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:38:16,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:38:16,650 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:38:16,651 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:38:16,651 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 9 states. [2018-09-20 14:38:17,158 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:38:45,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:38:45,785 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2018-09-20 14:38:45,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:38:45,787 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2018-09-20 14:38:45,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:38:45,788 INFO L225 Difference]: With dead ends: 106 [2018-09-20 14:38:45,788 INFO L226 Difference]: Without dead ends: 79 [2018-09-20 14:38:45,789 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:38:45,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-20 14:38:45,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-20 14:38:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-20 14:38:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-09-20 14:38:45,800 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 59 [2018-09-20 14:38:45,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:38:45,801 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-09-20 14:38:45,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:38:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-09-20 14:38:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-20 14:38:45,804 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:38:45,804 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] [2018-09-20 14:38:45,805 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:38:45,805 INFO L82 PathProgramCache]: Analyzing trace with hash -853875656, now seen corresponding path program 1 times [2018-09-20 14:38:45,806 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:38:45,806 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 14:38:45,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:38:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:38:51,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:38:51,398 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 [2018-09-20 14:38:51,405 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 [2018-09-20 14:38:51,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:38:51,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:38:51,432 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. [2018-09-20 14:38:51,433 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:38:51,475 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 [2018-09-20 14:38:51,480 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 [2018-09-20 14:38:51,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:38:51,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:38:51,498 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. [2018-09-20 14:38:51,498 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:38:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:38:51,765 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:38:51,860 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:38:51,860 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:38:51,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:38:51,861 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:38:51,861 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:38:51,861 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 9 states. [2018-09-20 14:38:52,206 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:39:22,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:39:22,891 INFO L93 Difference]: Finished difference Result 112 states and 120 transitions. [2018-09-20 14:39:22,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:39:22,893 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2018-09-20 14:39:22,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:39:22,894 INFO L225 Difference]: With dead ends: 112 [2018-09-20 14:39:22,894 INFO L226 Difference]: Without dead ends: 78 [2018-09-20 14:39:22,895 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:39:22,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-09-20 14:39:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-09-20 14:39:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-09-20 14:39:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2018-09-20 14:39:22,906 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 59 [2018-09-20 14:39:22,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:39:22,907 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2018-09-20 14:39:22,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:39:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-09-20 14:39:22,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-20 14:39:22,910 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:39:22,910 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] [2018-09-20 14:39:22,910 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:39:22,910 INFO L82 PathProgramCache]: Analyzing trace with hash -385808586, now seen corresponding path program 1 times [2018-09-20 14:39:22,911 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:39:22,912 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-09-20 14:39:22,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:39:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:39:28,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:39:28,683 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 [2018-09-20 14:39:28,691 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 [2018-09-20 14:39:28,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:39:28,703 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:28,752 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. [2018-09-20 14:39:28,752 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:39:28,859 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 [2018-09-20 14:39:28,865 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 [2018-09-20 14:39:28,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:39:28,868 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:39:28,892 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. [2018-09-20 14:39:28,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:39:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:39:29,205 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:39:29,322 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:39:29,323 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:39:29,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:39:29,324 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:39:29,324 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:39:29,325 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 9 states. [2018-09-20 14:39:30,238 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:39:42,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:39:42,424 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2018-09-20 14:39:42,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:39:42,425 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2018-09-20 14:39:42,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:39:42,426 INFO L225 Difference]: With dead ends: 78 [2018-09-20 14:39:42,426 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 14:39:42,428 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-09-20 14:39:42,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 14:39:42,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 14:39:42,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 14:39:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 14:39:42,429 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-09-20 14:39:42,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:39:42,429 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 14:39:42,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:39:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 14:39:42,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 14:39:42,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 14:39:42,799 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-09-20 14:39:42,959 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-09-20 14:39:43,442 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 46 [2018-09-20 14:39:43,777 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 14:39:43,778 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 14:39:43,778 INFO L426 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-09-20 14:39:43,778 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-20 14:39:43,778 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-20 14:39:43,778 INFO L426 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-09-20 14:39:43,779 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 14:39:43,779 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-09-20 14:39:43,779 INFO L429 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-09-20 14:39:43,779 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-20 14:39:43,780 INFO L426 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-09-20 14:39:43,780 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 14:39:43,780 INFO L426 ceAbstractionStarter]: For program point L28-2(line 28) no Hoare annotation was computed. [2018-09-20 14:39:43,780 INFO L426 ceAbstractionStarter]: For program point L28-3(line 28) no Hoare annotation was computed. [2018-09-20 14:39:43,780 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-09-20 14:39:43,780 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 14:39:43,780 INFO L426 ceAbstractionStarter]: For program point L24-2(lines 17 31) no Hoare annotation was computed. [2018-09-20 14:39:43,780 INFO L429 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-09-20 14:39:43,780 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-20 14:39:43,780 INFO L426 ceAbstractionStarter]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2018-09-20 14:39:43,781 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 14:39:43,781 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-20 14:39:43,781 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 14:39:43,781 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 14:39:43,781 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-20 14:39:43,781 INFO L426 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-09-20 14:39:43,781 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:39:43,781 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:39:43,781 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L422 ceAbstractionStarter]: At program point L68-3(lines 68 72) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (= atan_double_~x |atan_double_#in~x|)) [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L68-4(lines 68 72) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-20 14:39:43,782 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-20 14:39:43,783 INFO L426 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-09-20 14:39:43,783 INFO L426 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-09-20 14:39:43,783 INFO L426 ceAbstractionStarter]: For program point L69-2(line 69) no Hoare annotation was computed. [2018-09-20 14:39:43,783 INFO L426 ceAbstractionStarter]: For program point L69-3(line 69) no Hoare annotation was computed. [2018-09-20 14:39:43,783 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-09-20 14:39:43,783 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 14:39:43,783 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-09-20 14:39:43,783 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-20 14:39:43,784 INFO L422 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (and (= atan_double_~x |atan_double_#in~x|) (exists ((|v_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_13|) ((_ extract 62 52) |v_q#valueAsBitvector_13|) ((_ extract 51 0) |v_q#valueAsBitvector_13|)) |atan_double_#in~x|) (not (bvslt (bvand ((_ extract 63 32) |v_q#valueAsBitvector_13|) (_ bv2147483647 32)) (_ bv1071382528 32))))) (exists ((|v_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_13|) ((_ extract 62 52) |v_q#valueAsBitvector_13|) ((_ extract 51 0) |v_q#valueAsBitvector_13|)) |atan_double_#in~x|) (= atan_double_~hx~0 ((_ extract 63 32) |v_q#valueAsBitvector_13|)))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= atan_double_~ix~0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_10|) (_ bv2147483647 32))) (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))))))) [2018-09-20 14:39:43,784 INFO L426 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-09-20 14:39:43,784 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-09-20 14:39:43,784 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-20 14:39:43,784 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-20 14:39:43,784 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-20 14:39:43,784 INFO L426 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-09-20 14:39:43,784 INFO L426 ceAbstractionStarter]: For program point L71-1(line 71) no Hoare annotation was computed. [2018-09-20 14:39:43,784 INFO L426 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-09-20 14:39:43,784 INFO L426 ceAbstractionStarter]: For program point L71-2(line 71) no Hoare annotation was computed. [2018-09-20 14:39:43,785 INFO L426 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-09-20 14:39:43,785 INFO L429 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-09-20 14:39:43,785 INFO L426 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-09-20 14:39:43,785 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-20 14:39:43,785 INFO L426 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-09-20 14:39:43,785 INFO L422 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (and (= atan_double_~x |atan_double_#in~x|) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= atan_double_~hx~0 ((_ extract 63 32) |v_q#valueAsBitvector_10|)) (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))) (not (bvslt (bvand ((_ extract 63 32) |v_q#valueAsBitvector_10|) (_ bv2147483647 32)) (_ bv1042284544 32))))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= atan_double_~ix~0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_10|) (_ bv2147483647 32))) (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))))))) [2018-09-20 14:39:43,785 INFO L426 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-09-20 14:39:43,786 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 74 87) no Hoare annotation was computed. [2018-09-20 14:39:43,786 INFO L426 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-09-20 14:39:43,786 INFO L426 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-09-20 14:39:43,786 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-20 14:39:43,786 INFO L426 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 134 144) no Hoare annotation was computed. [2018-09-20 14:39:43,786 INFO L426 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 134 144) no Hoare annotation was computed. [2018-09-20 14:39:43,787 INFO L429 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 134 144) the Hoare annotation is: true [2018-09-20 14:39:43,787 INFO L426 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-09-20 14:39:43,787 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-20 14:39:43,787 INFO L426 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-09-20 14:39:43,787 INFO L426 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-09-20 14:39:43,787 INFO L426 ceAbstractionStarter]: For program point L140-2(line 140) no Hoare annotation was computed. [2018-09-20 14:39:43,787 INFO L426 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-09-20 14:39:43,787 INFO L426 ceAbstractionStarter]: For program point L138-2(line 138) no Hoare annotation was computed. [2018-09-20 14:39:43,787 INFO L426 ceAbstractionStarter]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2018-09-20 14:39:43,787 INFO L426 ceAbstractionStarter]: For program point L138-3(line 138) no Hoare annotation was computed. [2018-09-20 14:39:43,788 INFO L422 ceAbstractionStarter]: At program point L137-3(lines 137 141) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (= |__signbit_double_#in~x| __signbit_double_~x)) [2018-09-20 14:39:43,788 INFO L426 ceAbstractionStarter]: For program point L137-4(lines 137 141) no Hoare annotation was computed. [2018-09-20 14:39:43,788 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:39:43,788 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) [2018-09-20 14:39:43,788 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:39:43,788 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:39:43,788 INFO L426 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-09-20 14:39:43,788 INFO L426 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-09-20 14:39:43,788 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 146 164) the Hoare annotation is: true [2018-09-20 14:39:43,789 INFO L422 ceAbstractionStarter]: At program point L158-1(line 158) the Hoare annotation is: (or (and |main_#t~short14| (= (_ +zero 11 53) main_~x~0) (= (_ +zero 11 53) main_~res~0)) (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0)))) [2018-09-20 14:39:43,789 INFO L426 ceAbstractionStarter]: For program point L158-2(line 158) no Hoare annotation was computed. [2018-09-20 14:39:43,789 INFO L422 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 11 53) RNE 1.0))) (= (_ +zero 11 53) main_~x~0)) [2018-09-20 14:39:43,789 INFO L426 ceAbstractionStarter]: For program point L155-1(line 155) no Hoare annotation was computed. [2018-09-20 14:39:43,789 INFO L426 ceAbstractionStarter]: For program point L158-4(lines 158 161) no Hoare annotation was computed. [2018-09-20 14:39:43,789 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 146 164) no Hoare annotation was computed. [2018-09-20 14:39:43,789 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 146 164) no Hoare annotation was computed. [2018-09-20 14:39:43,789 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2018-09-20 14:39:43,799 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,800 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,803 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,804 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,806 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,806 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,807 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,807 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,807 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,807 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,807 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,808 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,808 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,808 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,808 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,808 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,809 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,809 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,811 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,811 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,811 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,812 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,812 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,812 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,812 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,812 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,813 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,813 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,813 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,813 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,813 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,813 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,815 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,815 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,815 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,816 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:39:43 BoogieIcfgContainer [2018-09-20 14:39:43,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:39:43,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:39:43,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:39:43,819 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:39:43,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:36:03" (3/4) ... [2018-09-20 14:39:43,824 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 14:39:43,832 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-09-20 14:39:43,832 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 14:39:43,832 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2018-09-20 14:39:43,832 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-09-20 14:39:43,833 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 14:39:43,841 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-09-20 14:39:43,841 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-09-20 14:39:43,842 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 14:39:43,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_atan) || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) || x == \old(x) [2018-09-20 14:39:43,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_atan) || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) || \old(x) == x [2018-09-20 14:39:43,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_atan) || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) || (((x == \old(x) && (\exists v_q#valueAsBitvector_10 : bv64 :: hx == v_q#valueAsBitvector_10[63:32] && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) && (\exists v_q#valueAsBitvector_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]) && !~bvslt32(~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32), 1042284544bv32))) && (\exists v_q#valueAsBitvector_10 : bv64 :: ix == ~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) [2018-09-20 14:39:43,950 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 14:39:43,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:39:43,951 INFO L168 Benchmark]: Toolchain (without parser) took 242279.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 951.9 MB in the beginning and 922.6 MB in the end (delta: 29.3 MB). Peak memory consumption was 222.7 MB. Max. memory is 11.5 GB. [2018-09-20 14:39:43,955 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:39:43,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:39:43,956 INFO L168 Benchmark]: Boogie Preprocessor took 74.94 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:39:43,956 INFO L168 Benchmark]: RCFGBuilder took 20789.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:39:43,956 INFO L168 Benchmark]: TraceAbstraction took 220776.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 930.2 MB in the end (delta: 145.6 MB). Peak memory consumption was 210.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:39:43,957 INFO L168 Benchmark]: Witness Printer took 131.46 ms. Allocated memory is still 1.2 GB. Free memory was 930.2 MB in the beginning and 922.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:39:43,959 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 495.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.94 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 20789.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 220776.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 930.2 MB in the end (delta: 145.6 MB). Peak memory consumption was 210.1 MB. Max. memory is 11.5 GB. * Witness Printer took 131.46 ms. Allocated memory is still 1.2 GB. Free memory was 930.2 MB in the beginning and 922.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 159]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant [2018-09-20 14:39:43,972 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,972 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,972 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,973 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_atan) || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) || \old(x) == x - InvariantResult [Line: 76]: Loop Invariant [2018-09-20 14:39:43,973 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,974 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,985 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,985 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,989 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,990 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,990 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,990 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,990 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,990 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,990 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:39:43,991 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_atan) || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) || (((x == \old(x) && (\exists v_q#valueAsBitvector_10 : bv64 :: hx == v_q#valueAsBitvector_10[63:32] && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) && (\exists v_q#valueAsBitvector_10 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]) && !~bvslt32(~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32), 1042284544bv32))) && (\exists v_q#valueAsBitvector_10 : bv64 :: ix == ~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) - InvariantResult [Line: 68]: Loop Invariant [2018-09-20 14:39:43,992 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,992 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,996 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 14:39:43,996 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_atan) || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) || x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 98 locations, 1 error locations. SAFE Result, 220.6s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 183.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 632 SDtfs, 385 SDslu, 3049 SDs, 0 SdLazy, 640 SolverSat, 49 SolverUnsat, 54 SolverUnknown, 0 SolverNotchecked, 156.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 275 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 28 PreInvPairs, 34 NumberOfFragments, 221 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 318 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 24.6s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 325 ConstructedInterpolants, 80 QuantifiedInterpolants, 96972 SizeOfPredicates, 49 NumberOfNonLiveVariables, 868 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...