./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0620b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan --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 Taipan --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=/tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan --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 Taipan --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 0.1.23-635dfa2 [2018-12-09 18:55:27,116 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:55:27,117 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:55:27,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:55:27,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:55:27,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:55:27,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:55:27,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:55:27,126 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:55:27,127 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:55:27,127 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:55:27,127 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:55:27,128 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:55:27,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:55:27,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:55:27,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:55:27,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:55:27,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:55:27,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:55:27,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:55:27,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:55:27,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:55:27,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:55:27,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:55:27,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:55:27,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:55:27,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:55:27,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:55:27,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:55:27,136 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:55:27,137 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:55:27,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:55:27,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:55:27,137 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:55:27,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:55:27,138 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:55:27,138 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:55:27,145 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:55:27,145 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:55:27,146 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:55:27,146 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:55:27,146 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:55:27,146 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:55:27,146 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:55:27,146 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:55:27,146 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:55:27,146 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:55:27,146 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:55:27,146 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:55:27,146 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:55:27,147 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:55:27,147 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:55:27,147 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:55:27,147 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:55:27,147 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:55:27,147 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:55:27,147 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:55:27,147 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:55:27,147 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:55:27,147 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:55:27,148 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:55:27,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:55:27,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:55:27,149 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:55:27,149 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan 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 -> Taipan 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 [2018-12-09 18:55:27,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:55:27,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:55:27,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:55:27,175 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:55:27,175 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:55:27,175 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-12-09 18:55:27,210 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data/15e6c89a4/de21d64640304386923f383e870d164a/FLAG4aaa67b12 [2018-12-09 18:55:27,518 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:55:27,518 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/sv-benchmarks/c/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-12-09 18:55:27,523 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data/15e6c89a4/de21d64640304386923f383e870d164a/FLAG4aaa67b12 [2018-12-09 18:55:27,533 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data/15e6c89a4/de21d64640304386923f383e870d164a [2018-12-09 18:55:27,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:55:27,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:55:27,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:27,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:55:27,539 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:55:27,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff7353e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27, skipping insertion in model container [2018-12-09 18:55:27,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:55:27,558 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:55:27,670 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:27,674 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:55:27,697 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:27,740 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:55:27,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27 WrapperNode [2018-12-09 18:55:27,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:27,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:27,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:55:27,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:55:27,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:27,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:55:27,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:55:27,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:55:27,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... [2018-12-09 18:55:27,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:55:27,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:55:27,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:55:27,782 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:55:27,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/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 [2018-12-09 18:55:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-09 18:55:27,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-09 18:55:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:55:27,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:55:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 18:55:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 18:55:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-09 18:55:27,813 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-09 18:55:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:55:27,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:55:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 18:55:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:55:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-12-09 18:55:27,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-12-09 18:55:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:55:27,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:55:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 18:55:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 18:55:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:55:28,036 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:55:28,036 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 18:55:28,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:28 BoogieIcfgContainer [2018-12-09 18:55:28,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:55:28,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:55:28,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:55:28,039 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:55:28,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:55:27" (1/3) ... [2018-12-09 18:55:28,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bf1974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:28, skipping insertion in model container [2018-12-09 18:55:28,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:27" (2/3) ... [2018-12-09 18:55:28,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bf1974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:28, skipping insertion in model container [2018-12-09 18:55:28,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:28" (3/3) ... [2018-12-09 18:55:28,041 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620b_true-unreach-call.c [2018-12-09 18:55:28,047 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:55:28,051 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:55:28,061 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:55:28,079 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:55:28,079 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:55:28,079 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:55:28,079 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:55:28,079 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:55:28,079 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:55:28,079 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:55:28,080 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:55:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-12-09 18:55:28,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 18:55:28,093 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:28,094 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:28,096 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:28,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:28,099 INFO L82 PathProgramCache]: Analyzing trace with hash -559886589, now seen corresponding path program 1 times [2018-12-09 18:55:28,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:28,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:28,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:28,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:28,129 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:55:28,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:55:28,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:55:28,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:55:28,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:55:28,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:55:28,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:55:28,205 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-12-09 18:55:28,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:28,220 INFO L93 Difference]: Finished difference Result 104 states and 150 transitions. [2018-12-09 18:55:28,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:55:28,220 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-09 18:55:28,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:28,226 INFO L225 Difference]: With dead ends: 104 [2018-12-09 18:55:28,226 INFO L226 Difference]: Without dead ends: 52 [2018-12-09 18:55:28,228 INFO L631 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 [2018-12-09 18:55:28,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-09 18:55:28,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-09 18:55:28,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-09 18:55:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2018-12-09 18:55:28,252 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 19 [2018-12-09 18:55:28,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:28,253 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2018-12-09 18:55:28,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:55:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-09 18:55:28,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 18:55:28,253 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:28,253 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:28,254 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:28,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:28,254 INFO L82 PathProgramCache]: Analyzing trace with hash -792059424, now seen corresponding path program 1 times [2018-12-09 18:55:28,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:28,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:28,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:28,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:28,255 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:55:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:55:28,312 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 18:55:28,328 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-12-09 18:55:28,329 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450962 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-12-09 18:55:28,329 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450955 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-12-09 18:55:28,329 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-12-09 18:55:28,329 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450960 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-12-09 18:55:28,329 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450963 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-12-09 18:55:28,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:55:28 BoogieIcfgContainer [2018-12-09 18:55:28,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:55:28,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:55:28,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:55:28,338 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:55:28,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:28" (3/4) ... [2018-12-09 18:55:28,340 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 18:55:28,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:55:28,341 INFO L168 Benchmark]: Toolchain (without parser) took 805.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -85.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:28,342 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:55:28,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:28,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:55:28,343 INFO L168 Benchmark]: Boogie Preprocessor took 24.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:28,343 INFO L168 Benchmark]: RCFGBuilder took 254.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:28,344 INFO L168 Benchmark]: TraceAbstraction took 300.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:28,344 INFO L168 Benchmark]: Witness Printer took 3.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:28,346 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 254.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 300.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450962 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450955 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450960 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450963 could not be translated for associated CType ARRAY#_11_~DOUBLE# * 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, }; [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, }; [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(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450957, \old(one_atan)=6442450945, \old(pi)=6442450953, \old(pi_o_2)=6442450946, \old(pi_o_4)=6442450949, aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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 [aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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, aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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, aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=0] [L69] ieee_double_shape_type gh_u; [L70] gh_u.value = (x) [L71] EXPR gh_u.parts.msw [L71] (hx) = gh_u.parts.msw [L73] ix = hx & 0x7fffffff VAL [\old(x)=0, aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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, aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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, aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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, aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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] return x; VAL [\old(x)=0, \result=0, aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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] RET, EXPR atan_double(x) VAL [aT_atan={6442450959:0}, atan_double(x)=0, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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 [aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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 [aT_atan={6442450959:0}, atanhi_atan={6442450961:0}, atanlo_atan={6442450947:0}, 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, 56 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 67 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=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 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 0.1.23-635dfa2 [2018-12-09 18:55:29,619 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:55:29,620 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:55:29,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:55:29,626 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:55:29,626 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:55:29,627 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:55:29,628 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:55:29,628 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:55:29,629 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:55:29,629 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:55:29,629 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:55:29,630 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:55:29,630 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:55:29,631 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:55:29,631 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:55:29,631 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:55:29,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:55:29,633 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:55:29,634 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:55:29,634 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:55:29,635 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:55:29,636 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:55:29,636 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:55:29,636 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:55:29,636 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:55:29,637 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:55:29,637 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:55:29,637 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:55:29,638 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:55:29,638 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:55:29,638 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:55:29,639 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:55:29,639 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:55:29,639 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:55:29,639 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:55:29,640 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 18:55:29,646 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:55:29,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:55:29,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:55:29,647 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:55:29,647 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:55:29,647 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:55:29,647 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:55:29,648 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:55:29,648 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:55:29,648 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:55:29,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:55:29,648 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:55:29,648 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:55:29,648 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:55:29,648 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:55:29,649 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:55:29,649 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:55:29,650 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:55:29,650 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:55:29,650 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:55:29,650 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:55:29,650 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:55:29,650 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 18:55:29,650 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:55:29,650 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 18:55:29,650 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 18:55:29,650 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan 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 -> Taipan 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 [2018-12-09 18:55:29,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:55:29,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:55:29,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:55:29,677 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:55:29,677 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:55:29,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-12-09 18:55:29,713 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data/6120d1ecd/472e05deccbf4f6b99d0f750536822b0/FLAG1e35b498d [2018-12-09 18:55:30,020 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:55:30,020 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/sv-benchmarks/c/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-12-09 18:55:30,024 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data/6120d1ecd/472e05deccbf4f6b99d0f750536822b0/FLAG1e35b498d [2018-12-09 18:55:30,032 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/data/6120d1ecd/472e05deccbf4f6b99d0f750536822b0 [2018-12-09 18:55:30,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:55:30,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:55:30,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:30,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:55:30,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:55:30,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d64a324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30, skipping insertion in model container [2018-12-09 18:55:30,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:55:30,055 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:55:30,165 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:30,170 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:55:30,199 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:30,218 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:55:30,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30 WrapperNode [2018-12-09 18:55:30,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:30,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:30,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:55:30,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:55:30,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:30,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:55:30,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:55:30,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:55:30,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... [2018-12-09 18:55:30,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:55:30,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:55:30,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:55:30,309 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:55:30,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/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 [2018-12-09 18:55:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 18:55:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 18:55:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-09 18:55:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-09 18:55:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:55:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:55:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-09 18:55:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-09 18:55:30,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:55:30,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:55:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-09 18:55:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:55:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-12-09 18:55:30,342 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-12-09 18:55:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 18:55:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:55:30,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:55:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 18:55:30,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:55:30,442 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:30,484 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:30,506 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:30,557 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:30,583 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:41,537 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:55:46,626 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:55:46,626 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 18:55:46,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:46 BoogieIcfgContainer [2018-12-09 18:55:46,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:55:46,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:55:46,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:55:46,630 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:55:46,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:55:30" (1/3) ... [2018-12-09 18:55:46,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227b2aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:46, skipping insertion in model container [2018-12-09 18:55:46,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:30" (2/3) ... [2018-12-09 18:55:46,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227b2aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:46, skipping insertion in model container [2018-12-09 18:55:46,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:46" (3/3) ... [2018-12-09 18:55:46,632 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620b_true-unreach-call.c [2018-12-09 18:55:46,637 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:55:46,642 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:55:46,651 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:55:46,671 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 18:55:46,671 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:55:46,672 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:55:46,672 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:55:46,672 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:55:46,672 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:55:46,672 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:55:46,672 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:55:46,672 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:55:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-12-09 18:55:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 18:55:46,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:46,687 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:46,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:46,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:46,692 INFO L82 PathProgramCache]: Analyzing trace with hash -559886589, now seen corresponding path program 1 times [2018-12-09 18:55:46,695 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:55:46,695 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 18:55:46,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:46,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:55:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:55:46,898 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:55:46,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:55:46,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 18:55:46,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 18:55:46,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 18:55:46,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 18:55:46,921 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-12-09 18:55:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:46,936 INFO L93 Difference]: Finished difference Result 104 states and 150 transitions. [2018-12-09 18:55:46,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 18:55:46,937 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-09 18:55:46,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:46,943 INFO L225 Difference]: With dead ends: 104 [2018-12-09 18:55:46,943 INFO L226 Difference]: Without dead ends: 52 [2018-12-09 18:55:46,945 INFO L631 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 [2018-12-09 18:55:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-09 18:55:46,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-09 18:55:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-09 18:55:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2018-12-09 18:55:46,968 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 19 [2018-12-09 18:55:46,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:46,968 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2018-12-09 18:55:46,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 18:55:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-09 18:55:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 18:55:46,969 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:46,969 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:46,970 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:46,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:46,970 INFO L82 PathProgramCache]: Analyzing trace with hash -792059424, now seen corresponding path program 1 times [2018-12-09 18:55:46,970 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:55:46,970 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/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 [2018-12-09 18:55:46,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:47,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:55:47,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:55:47,226 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:55:47,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:55:47,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:55:47,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:55:47,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:55:47,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:55:47,238 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 7 states. [2018-12-09 18:56:07,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:56:07,795 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2018-12-09 18:56:07,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:56:07,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-09 18:56:07,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:56:07,798 INFO L225 Difference]: With dead ends: 62 [2018-12-09 18:56:07,798 INFO L226 Difference]: Without dead ends: 59 [2018-12-09 18:56:07,798 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:56:07,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-09 18:56:07,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2018-12-09 18:56:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-09 18:56:07,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2018-12-09 18:56:07,804 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 21 [2018-12-09 18:56:07,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:56:07,805 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions. [2018-12-09 18:56:07,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:56:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2018-12-09 18:56:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 18:56:07,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:56:07,805 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:56:07,806 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:56:07,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:56:07,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1647796453, now seen corresponding path program 1 times [2018-12-09 18:56:07,806 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:56:07,806 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/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 [2018-12-09 18:56:07,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:56:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:56:07,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:56:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:56:08,090 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:56:08,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:56:08,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:56:08,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:56:08,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:56:08,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:56:08,102 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand 7 states. [2018-12-09 18:56:27,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:56:27,179 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2018-12-09 18:56:27,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:56:27,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-09 18:56:27,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:56:27,486 INFO L225 Difference]: With dead ends: 72 [2018-12-09 18:56:27,487 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 18:56:27,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:56:27,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 18:56:27,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-12-09 18:56:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-09 18:56:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2018-12-09 18:56:27,493 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 21 [2018-12-09 18:56:27,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:56:27,494 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2018-12-09 18:56:27,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:56:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2018-12-09 18:56:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 18:56:27,495 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:56:27,495 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:56:27,495 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:56:27,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:56:27,496 INFO L82 PathProgramCache]: Analyzing trace with hash -2050202270, now seen corresponding path program 1 times [2018-12-09 18:56:27,496 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:56:27,496 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/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 [2018-12-09 18:56:27,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:56:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:56:31,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:56:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:56:31,270 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:56:31,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:56:31,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:56:31,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:56:31,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:56:31,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:56:31,324 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 7 states. [2018-12-09 18:56:55,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:56:55,218 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2018-12-09 18:56:55,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 18:56:55,525 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-09 18:56:55,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:56:55,526 INFO L225 Difference]: With dead ends: 74 [2018-12-09 18:56:55,526 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 18:56:55,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:56:55,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 18:56:55,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-12-09 18:56:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-09 18:56:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2018-12-09 18:56:55,531 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 23 [2018-12-09 18:56:55,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:56:55,531 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2018-12-09 18:56:55,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:56:55,532 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2018-12-09 18:56:55,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 18:56:55,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:56:55,532 INFO L402 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] [2018-12-09 18:56:55,532 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:56:55,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:56:55,533 INFO L82 PathProgramCache]: Analyzing trace with hash 309723308, now seen corresponding path program 1 times [2018-12-09 18:56:55,533 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:56:55,533 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/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 [2018-12-09 18:56:55,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:56:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:56:59,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:57:01,134 WARN L180 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-09 18:57:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:57:01,139 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:57:01,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:57:01,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:57:01,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:57:01,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:57:01,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:57:01,187 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand 6 states. [2018-12-09 18:57:04,519 WARN L180 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 18:57:23,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:57:23,152 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2018-12-09 18:57:23,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:57:23,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-09 18:57:23,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:57:23,154 INFO L225 Difference]: With dead ends: 71 [2018-12-09 18:57:23,154 INFO L226 Difference]: Without dead ends: 51 [2018-12-09 18:57:23,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:57:23,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-09 18:57:23,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-09 18:57:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-09 18:57:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-12-09 18:57:23,159 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 24 [2018-12-09 18:57:23,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:57:23,160 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-12-09 18:57:23,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:57:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-12-09 18:57:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 18:57:23,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:57:23,160 INFO L402 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] [2018-12-09 18:57:23,160 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:57:23,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:57:23,161 INFO L82 PathProgramCache]: Analyzing trace with hash -2027263930, now seen corresponding path program 1 times [2018-12-09 18:57:23,161 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:57:23,161 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/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 [2018-12-09 18:57:23,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:57:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:57:23,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:57:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:57:23,580 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:57:23,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:57:23,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-09 18:57:23,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 18:57:23,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 18:57:23,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-09 18:57:23,590 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 12 states. [2018-12-09 18:57:41,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:57:41,550 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2018-12-09 18:57:41,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 18:57:41,551 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-12-09 18:57:41,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:57:41,552 INFO L225 Difference]: With dead ends: 56 [2018-12-09 18:57:41,552 INFO L226 Difference]: Without dead ends: 45 [2018-12-09 18:57:41,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:57:41,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-09 18:57:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-09 18:57:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-09 18:57:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2018-12-09 18:57:41,559 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 29 [2018-12-09 18:57:41,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:57:41,559 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2018-12-09 18:57:41,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 18:57:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2018-12-09 18:57:41,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 18:57:41,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:57:41,560 INFO L402 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] [2018-12-09 18:57:41,561 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:57:41,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:57:41,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1651251545, now seen corresponding path program 1 times [2018-12-09 18:57:41,562 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:57:41,562 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/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 [2018-12-09 18:57:41,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:57:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:57:45,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:57:46,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:57:46,080 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:57:46,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:57:46,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:57:46,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:57:46,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:57:46,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:57:46,136 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 7 states. [2018-12-09 18:58:04,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:58:04,295 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions. [2018-12-09 18:58:04,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 18:58:04,296 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-12-09 18:58:04,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:58:04,296 INFO L225 Difference]: With dead ends: 70 [2018-12-09 18:58:04,296 INFO L226 Difference]: Without dead ends: 44 [2018-12-09 18:58:04,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:58:04,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-09 18:58:04,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-09 18:58:04,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-09 18:58:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-12-09 18:58:04,300 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 33 [2018-12-09 18:58:04,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:58:04,300 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-12-09 18:58:04,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:58:04,300 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-12-09 18:58:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 18:58:04,301 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:58:04,301 INFO L402 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] [2018-12-09 18:58:04,301 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:58:04,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:58:04,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1495590311, now seen corresponding path program 1 times [2018-12-09 18:58:04,301 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 18:58:04,302 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/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 [2018-12-09 18:58:04,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:58:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:58:08,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:58:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:58:08,825 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 18:58:08,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:58:08,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:58:08,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:58:08,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:58:08,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:58:08,880 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 7 states. [2018-12-09 18:58:19,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:58:19,522 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-12-09 18:58:19,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 18:58:19,523 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-12-09 18:58:19,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:58:19,524 INFO L225 Difference]: With dead ends: 44 [2018-12-09 18:58:19,524 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:58:19,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:58:19,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:58:19,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:58:19,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:58:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:58:19,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-12-09 18:58:19,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:58:19,525 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:58:19,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:58:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:58:19,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:58:19,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:58:19,792 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 53 [2018-12-09 18:58:19,994 INFO L448 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-12-09 18:58:19,994 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-12-09 18:58:19,994 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 17 31) no Hoare annotation was computed. [2018-12-09 18:58:19,994 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 24 29) no Hoare annotation was computed. [2018-12-09 18:58:19,994 INFO L451 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-12-09 18:58:19,994 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: true [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point L68-3(lines 68 72) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-09 18:58:19,995 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-12-09 18:58:19,996 INFO L444 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_atan~0)) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~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_8| (_ BitVec 64))) (and (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|))) (= atan_double_~ix~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_8|))))) (exists ((|v_q#valueAsBitvector_11| (_ BitVec 64))) (and (not (bvslt (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_11|)) (_ bv1071382528 32))) (= |atan_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_11|) ((_ extract 62 52) |v_q#valueAsBitvector_11|) ((_ extract 51 0) |v_q#valueAsBitvector_11|))))))) [2018-12-09 18:58:19,996 INFO L448 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-12-09 18:58:19,996 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-12-09 18:58:19,996 INFO L448 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-12-09 18:58:19,996 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-12-09 18:58:19,996 INFO L451 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-12-09 18:58:19,996 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-12-09 18:58:19,996 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-09 18:58:19,997 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: (or (and (exists ((|v_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_7|) ((_ extract 62 52) |v_q#valueAsBitvector_7|) ((_ extract 51 0) |v_q#valueAsBitvector_7|)) |atan_double_#in~x|) (bvsge (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_7|)) (_ bv1141899264 32)))) (= atan_double_~x |atan_double_#in~x|) (exists ((|v_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_7|) ((_ extract 62 52) |v_q#valueAsBitvector_7|) ((_ extract 51 0) |v_q#valueAsBitvector_7|)) |atan_double_#in~x|) (= atan_double_~hx~0 ((_ extract 63 32) |v_q#valueAsBitvector_7|)))) (exists ((|v_q#valueAsBitvector_7| (_ BitVec 64))) (and (= atan_double_~ix~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_7|))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_7|) ((_ extract 62 52) |v_q#valueAsBitvector_7|) ((_ extract 51 0) |v_q#valueAsBitvector_7|)) |atan_double_#in~x|)))) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_atan~0)) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0))) [2018-12-09 18:58:19,997 INFO L448 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-12-09 18:58:19,997 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 74 87) no Hoare annotation was computed. [2018-12-09 18:58:19,997 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-12-09 18:58:19,997 INFO L448 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-12-09 18:58:19,997 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-12-09 18:58:19,997 INFO L444 ceAbstractionStarter]: At program point L68-2(lines 68 72) the Hoare annotation is: (or (= atan_double_~x |atan_double_#in~x|) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_atan~0)) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0))) [2018-12-09 18:58:19,997 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 18:58:19,997 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 134 144) no Hoare annotation was computed. [2018-12-09 18:58:19,997 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 134 144) no Hoare annotation was computed. [2018-12-09 18:58:19,998 INFO L451 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 134 144) the Hoare annotation is: true [2018-12-09 18:58:19,998 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2018-12-09 18:58:19,998 INFO L444 ceAbstractionStarter]: At program point L137-2(lines 137 141) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_atan~0)) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (= |__signbit_double_#in~x| __signbit_double_~x)) [2018-12-09 18:58:19,998 INFO L448 ceAbstractionStarter]: For program point L137-3(lines 137 141) no Hoare annotation was computed. [2018-12-09 18:58:19,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:58:19,998 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) [2018-12-09 18:58:19,998 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:58:19,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:58:19,998 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-09 18:58:19,999 INFO L448 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-12-09 18:58:19,999 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 146 164) the Hoare annotation is: true [2018-12-09 18:58:19,999 INFO L444 ceAbstractionStarter]: At program point L158-1(line 158) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_atan~0)) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (and (= (_ +zero 11 53) main_~x~0) (= (_ +zero 11 53) main_~res~0) |main_#t~short31|)) [2018-12-09 18:58:19,999 INFO L448 ceAbstractionStarter]: For program point L158-2(line 158) no Hoare annotation was computed. [2018-12-09 18:58:19,999 INFO L444 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_atan~0)) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0)) (= (_ +zero 11 53) main_~x~0)) [2018-12-09 18:58:19,999 INFO L448 ceAbstractionStarter]: For program point L155-1(line 155) no Hoare annotation was computed. [2018-12-09 18:58:19,999 INFO L448 ceAbstractionStarter]: For program point L158-4(lines 158 161) no Hoare annotation was computed. [2018-12-09 18:58:20,000 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 146 164) no Hoare annotation was computed. [2018-12-09 18:58:20,000 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 146 164) no Hoare annotation was computed. [2018-12-09 18:58:20,000 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2018-12-09 18:58:20,005 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,006 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,008 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,008 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,010 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,010 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,010 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,010 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,010 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,012 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,012 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,012 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,013 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,014 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,014 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,014 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,015 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,015 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,015 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:58:20 BoogieIcfgContainer [2018-12-09 18:58:20,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:58:20,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:58:20,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:58:20,016 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:58:20,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:46" (3/4) ... [2018-12-09 18:58:20,019 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:58:20,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-12-09 18:58:20,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:58:20,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2018-12-09 18:58:20,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-12-09 18:58:20,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:58:20,029 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-09 18:58:20,029 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-09 18:58:20,029 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 18:58:20,029 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 18:58:20,045 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_atan)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan) [2018-12-09 18:58:20,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_atan) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan)) || \old(x) == x [2018-12-09 18:58:20,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists v_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == \old(x) && ~bvsge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_7[63:32]), 1141899264bv32)) && x == \old(x)) && (\exists v_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == \old(x) && hx == v_q#valueAsBitvector_7[63:32])) && (\exists v_q#valueAsBitvector_7 : bv64 :: ix == ~bvand32(2147483647bv32, v_q#valueAsBitvector_7[63:32]) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_atan)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan) [2018-12-09 18:58:20,069 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e2f87c0-cfe7-43c8-a05a-825af5dca504/bin-2019/utaipan/witness.graphml [2018-12-09 18:58:20,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:58:20,070 INFO L168 Benchmark]: Toolchain (without parser) took 170036.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -75.2 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:58:20,070 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:58:20,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.61 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:58:20,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-12-09 18:58:20,071 INFO L168 Benchmark]: Boogie Preprocessor took 37.80 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. [2018-12-09 18:58:20,071 INFO L168 Benchmark]: RCFGBuilder took 16318.48 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: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:58:20,071 INFO L168 Benchmark]: TraceAbstraction took 153388.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.9 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:58:20,071 INFO L168 Benchmark]: Witness Printer took 53.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:58:20,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.61 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.80 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. * RCFGBuilder took 16318.48 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: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 153388.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.9 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. * Witness Printer took 53.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 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 ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 68]: Loop Invariant [2018-12-09 18:58:20,075 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,075 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,075 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,075 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == \old(x) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_atan)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant [2018-12-09 18:58:20,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,077 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,077 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 18:58:20,079 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,079 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((\exists v_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == \old(x) && ~bvsge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_7[63:32]), 1141899264bv32)) && x == \old(x)) && (\exists v_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == \old(x) && hx == v_q#valueAsBitvector_7[63:32])) && (\exists v_q#valueAsBitvector_7 : bv64 :: ix == ~bvand32(2147483647bv32, v_q#valueAsBitvector_7[63:32]) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == \old(x))) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_atan)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan) - InvariantResult [Line: 137]: Loop Invariant [2018-12-09 18:58:20,080 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,080 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,080 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:58:20,080 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_atan) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan)) || \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 56 locations, 1 error locations. SAFE Result, 153.3s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 132.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 361 SDtfs, 266 SDslu, 1327 SDs, 0 SdLazy, 369 SolverSat, 31 SolverUnsat, 43 SolverUnknown, 0 SolverNotchecked, 118.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 8 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 28 PreInvPairs, 34 NumberOfFragments, 220 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 300 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 15.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 195 ConstructedInterpolants, 46 QuantifiedInterpolants, 34040 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1323 ConjunctsInSsa, 62 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...