./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_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_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 78ea74dfa7532b5891dcf798c387cbc67437d79b .............................................................................................................................................................................................................................................................................................................................. 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_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 78ea74dfa7532b5891dcf798c387cbc67437d79b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:38:28,713 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:38:28,714 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:38:28,720 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:38:28,721 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:38:28,721 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:38:28,722 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:38:28,723 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:38:28,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:38:28,724 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:38:28,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:38:28,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:38:28,725 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:38:28,726 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:38:28,727 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:38:28,727 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:38:28,728 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:38:28,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:38:28,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:38:28,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:38:28,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:38:28,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:38:28,733 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:38:28,733 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:38:28,733 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:38:28,734 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:38:28,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:38:28,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:38:28,735 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:38:28,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:38:28,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:38:28,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:38:28,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:38:28,736 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:38:28,737 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:38:28,737 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:38:28,738 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 01:38:28,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:38:28,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:38:28,746 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:38:28,746 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:38:28,746 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:38:28,746 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:38:28,746 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:38:28,746 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 01:38:28,747 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:38:28,747 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:38:28,747 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 01:38:28,747 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 01:38:28,747 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:38:28,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:38:28,747 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:38:28,747 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:38:28,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:38:28,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:38:28,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:38:28,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:38:28,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:38:28,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:38:28,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:38:28,749 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 01:38:28,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:38:28,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:38:28,749 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 01:38:28,749 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_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2018-12-02 01:38:28,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:38:28,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:38:28,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:38:28,776 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:38:28,776 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:38:28,776 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-12-02 01:38:28,810 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data/69798daf6/bf04486d3179473ba48a9ec025519025/FLAG45f8197ba [2018-12-02 01:38:29,268 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:38:29,268 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-12-02 01:38:29,273 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data/69798daf6/bf04486d3179473ba48a9ec025519025/FLAG45f8197ba [2018-12-02 01:38:29,281 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data/69798daf6/bf04486d3179473ba48a9ec025519025 [2018-12-02 01:38:29,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:38:29,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:38:29,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:38:29,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:38:29,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:38:29,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325efab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29, skipping insertion in model container [2018-12-02 01:38:29,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:38:29,305 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:38:29,416 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:38:29,419 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:38:29,447 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:38:29,468 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:38:29,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29 WrapperNode [2018-12-02 01:38:29,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:38:29,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:38:29,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:38:29,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:38:29,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:38:29,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:38:29,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:38:29,486 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:38:29,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... [2018-12-02 01:38:29,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:38:29,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:38:29,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:38:29,535 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:38:29,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 [2018-12-02 01:38:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:38:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:38:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 01:38:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 01:38:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 01:38:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 01:38:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 01:38:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 01:38:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:38:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:38:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 01:38:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 01:38:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 01:38:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:38:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:38:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:38:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 01:38:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 01:38:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 01:38:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 01:38:29,793 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:38:29,793 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 01:38:29,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:38:29 BoogieIcfgContainer [2018-12-02 01:38:29,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:38:29,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:38:29,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:38:29,796 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:38:29,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:38:29" (1/3) ... [2018-12-02 01:38:29,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4b7986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:38:29, skipping insertion in model container [2018-12-02 01:38:29,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:29" (2/3) ... [2018-12-02 01:38:29,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4b7986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:38:29, skipping insertion in model container [2018-12-02 01:38:29,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:38:29" (3/3) ... [2018-12-02 01:38:29,798 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a_true-unreach-call.c [2018-12-02 01:38:29,804 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:38:29,810 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:38:29,819 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:38:29,838 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:38:29,838 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:38:29,838 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:38:29,838 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:38:29,838 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:38:29,839 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:38:29,839 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:38:29,839 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:38:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-12-02 01:38:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:38:29,854 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:38:29,854 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] [2018-12-02 01:38:29,856 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:38:29,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:38:29,859 INFO L82 PathProgramCache]: Analyzing trace with hash 257035693, now seen corresponding path program 1 times [2018-12-02 01:38:29,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:38:29,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:38:29,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:38:29,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:38:29,890 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:38:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:38:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:38:29,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:38:29,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:38:29,951 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:38:29,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:38:29,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:38:29,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:38:29,964 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2018-12-02 01:38:29,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:38:29,981 INFO L93 Difference]: Finished difference Result 144 states and 214 transitions. [2018-12-02 01:38:29,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:38:29,982 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-02 01:38:29,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:38:29,987 INFO L225 Difference]: With dead ends: 144 [2018-12-02 01:38:29,987 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 01:38:29,990 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 [2018-12-02 01:38:30,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 01:38:30,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-02 01:38:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 01:38:30,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2018-12-02 01:38:30,014 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2018-12-02 01:38:30,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:38:30,014 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2018-12-02 01:38:30,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:38:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-02 01:38:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:38:30,015 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:38:30,015 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] [2018-12-02 01:38:30,015 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:38:30,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:38:30,015 INFO L82 PathProgramCache]: Analyzing trace with hash -225488588, now seen corresponding path program 1 times [2018-12-02 01:38:30,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:38:30,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:38:30,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:38:30,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:38:30,016 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:38:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:38:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:38:30,066 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 01:38:30,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:38:30 BoogieIcfgContainer [2018-12-02 01:38:30,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:38:30,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:38:30,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:38:30,089 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:38:30,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:38:29" (3/4) ... [2018-12-02 01:38:30,091 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 01:38:30,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:38:30,092 INFO L168 Benchmark]: Toolchain (without parser) took 809.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 962.4 MB in the beginning and 1.2 GB in the end (delta: -191.0 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:38:30,093 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:38:30,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -67.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:38:30,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.95 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:38:30,094 INFO L168 Benchmark]: Boogie Preprocessor took 48.69 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -200.5 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-12-02 01:38:30,094 INFO L168 Benchmark]: RCFGBuilder took 258.68 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:38:30,094 INFO L168 Benchmark]: TraceAbstraction took 294.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:38:30,095 INFO L168 Benchmark]: Witness Printer took 2.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:38:30,097 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -67.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.95 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.69 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -200.5 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 258.68 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 294.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 233]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 161, overapproximation of someUnaryFLOAToperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 164. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L60] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L143-L151] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450968, \old(huge_floor)=6442450957, \old(one_asin)=6442450960, \old(one_sqrt)=6442450958, \old(pio2_hi_asin)=6442450959, \old(pio2_lo_asin)=6442450952, \old(pio4_hi_asin)=6442450961, \old(pS0_asin)=6442450966, \old(pS1_asin)=6442450962, \old(pS2_asin)=6442450946, \old(pS3_asin)=6442450965, \old(pS4_asin)=6442450954, \old(pS5_asin)=6442450951, \old(qS1_asin)=6442450969, \old(qS2_asin)=6442450955, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450967, \old(tiny_sqrt)=6442450953, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L228] float x = 1.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L229] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L154] float t, w, p, q, c, r, s; [L155] __int32_t hx, ix; VAL [\old(x)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L157] ieee_float_shape_type gf_u; [L158] gf_u.value = (x) [L159] EXPR gf_u.word [L159] (hx) = gf_u.word [L161] ix = hx & 0x7fffffff VAL [\old(x)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L162] COND TRUE ix == 0x3f800000 [L164] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L229] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450949, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L229] float res = __ieee754_asinf(x); [L232] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L58] return x != x; VAL [\old(x)=6442450949, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L232] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L232] COND TRUE !isnan_float(res) [L233] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 93 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=76occurred 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:38:31,428 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:38:31,429 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:38:31,435 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:38:31,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:38:31,436 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:38:31,437 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:38:31,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:38:31,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:38:31,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:38:31,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:38:31,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:38:31,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:38:31,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:38:31,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:38:31,441 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:38:31,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:38:31,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:38:31,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:38:31,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:38:31,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:38:31,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:38:31,446 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:38:31,446 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:38:31,446 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:38:31,447 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:38:31,447 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:38:31,448 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:38:31,448 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:38:31,449 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:38:31,449 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:38:31,449 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:38:31,449 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:38:31,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:38:31,450 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:38:31,450 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:38:31,450 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 01:38:31,458 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:38:31,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:38:31,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:38:31,458 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:38:31,459 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:38:31,459 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:38:31,459 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:38:31,459 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:38:31,459 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:38:31,459 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:38:31,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:38:31,459 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 01:38:31,460 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:38:31,461 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:38:31,461 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:38:31,461 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:38:31,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:38:31,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:38:31,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:38:31,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:38:31,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:38:31,461 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 01:38:31,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:38:31,462 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 01:38:31,462 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 01:38:31,462 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_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2018-12-02 01:38:31,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:38:31,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:38:31,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:38:31,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:38:31,494 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:38:31,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-12-02 01:38:31,535 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data/faa0e8ec9/1b9bb241841144218b4bfe8f69c2075c/FLAGd986b2c5e [2018-12-02 01:38:31,875 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:38:31,876 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-12-02 01:38:31,880 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data/faa0e8ec9/1b9bb241841144218b4bfe8f69c2075c/FLAGd986b2c5e [2018-12-02 01:38:32,268 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/data/faa0e8ec9/1b9bb241841144218b4bfe8f69c2075c [2018-12-02 01:38:32,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:38:32,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:38:32,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:38:32,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:38:32,274 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:38:32,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c435b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32, skipping insertion in model container [2018-12-02 01:38:32,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:38:32,296 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:38:32,413 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:38:32,417 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:38:32,449 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:38:32,464 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:38:32,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32 WrapperNode [2018-12-02 01:38:32,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:38:32,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:38:32,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:38:32,465 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:38:32,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:38:32,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:38:32,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:38:32,483 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:38:32,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... [2018-12-02 01:38:32,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:38:32,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:38:32,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:38:32,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:38:32,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 [2018-12-02 01:38:32,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:38:32,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:38:32,571 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 01:38:32,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 01:38:32,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 01:38:32,572 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 01:38:32,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 01:38:32,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:38:32,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:38:32,572 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 01:38:32,572 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 01:38:32,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:38:32,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 01:38:32,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:38:32,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:38:32,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 01:38:32,573 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 01:38:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 01:38:32,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 01:38:32,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 01:38:32,688 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 01:38:41,434 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 01:38:41,473 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 01:38:41,858 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 01:38:41,863 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:38:41,863 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 01:38:41,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:38:41 BoogieIcfgContainer [2018-12-02 01:38:41,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:38:41,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:38:41,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:38:41,867 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:38:41,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:38:32" (1/3) ... [2018-12-02 01:38:41,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3615d348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:38:41, skipping insertion in model container [2018-12-02 01:38:41,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:38:32" (2/3) ... [2018-12-02 01:38:41,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3615d348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:38:41, skipping insertion in model container [2018-12-02 01:38:41,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:38:41" (3/3) ... [2018-12-02 01:38:41,869 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a_true-unreach-call.c [2018-12-02 01:38:41,877 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:38:41,883 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:38:41,895 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:38:41,913 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 01:38:41,914 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:38:41,914 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:38:41,914 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:38:41,914 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:38:41,914 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:38:41,914 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:38:41,914 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:38:41,914 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:38:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-12-02 01:38:41,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:38:41,928 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:38:41,929 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] [2018-12-02 01:38:41,930 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:38:41,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:38:41,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1204794971, now seen corresponding path program 1 times [2018-12-02 01:38:41,936 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 01:38:41,936 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 [2018-12-02 01:38:41,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:38:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:38:42,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:38:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:38:42,131 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 01:38:42,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:38:42,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:38:42,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:38:42,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:38:42,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:38:42,153 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-12-02 01:38:42,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:38:42,170 INFO L93 Difference]: Finished difference Result 142 states and 212 transitions. [2018-12-02 01:38:42,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:38:42,171 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-02 01:38:42,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:38:42,177 INFO L225 Difference]: With dead ends: 142 [2018-12-02 01:38:42,177 INFO L226 Difference]: Without dead ends: 71 [2018-12-02 01:38:42,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:38:42,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-02 01:38:42,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-12-02 01:38:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-02 01:38:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2018-12-02 01:38:42,204 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 20 [2018-12-02 01:38:42,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:38:42,205 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2018-12-02 01:38:42,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:38:42,205 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-12-02 01:38:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:38:42,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:38:42,206 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] [2018-12-02 01:38:42,206 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:38:42,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:38:42,206 INFO L82 PathProgramCache]: Analyzing trace with hash -624565231, now seen corresponding path program 1 times [2018-12-02 01:38:42,207 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 01:38:42,207 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 [2018-12-02 01:38:42,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:38:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:38:42,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:38:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:38:42,473 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 01:38:42,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:38:42,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:38:42,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:38:42,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:38:42,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:38:42,484 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand 7 states. [2018-12-02 01:38:48,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:38:48,444 INFO L93 Difference]: Finished difference Result 83 states and 99 transitions. [2018-12-02 01:38:48,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:38:48,445 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-02 01:38:48,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:38:48,447 INFO L225 Difference]: With dead ends: 83 [2018-12-02 01:38:48,447 INFO L226 Difference]: Without dead ends: 73 [2018-12-02 01:38:48,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:38:48,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-02 01:38:48,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-12-02 01:38:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-02 01:38:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 87 transitions. [2018-12-02 01:38:48,457 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 87 transitions. Word has length 21 [2018-12-02 01:38:48,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:38:48,458 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 87 transitions. [2018-12-02 01:38:48,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:38:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2018-12-02 01:38:48,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:38:48,459 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:38:48,459 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] [2018-12-02 01:38:48,459 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:38:48,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:38:48,459 INFO L82 PathProgramCache]: Analyzing trace with hash 2002478333, now seen corresponding path program 1 times [2018-12-02 01:38:48,459 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 01:38:48,460 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 [2018-12-02 01:38:48,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:38:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:38:48,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:38:50,157 WARN L180 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-02 01:38:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:38:52,070 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 01:38:52,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:38:52,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 01:38:52,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 01:38:52,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 01:38:52,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:38:52,081 INFO L87 Difference]: Start difference. First operand 71 states and 87 transitions. Second operand 9 states. [2018-12-02 01:38:55,310 WARN L180 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-02 01:39:01,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:39:01,383 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2018-12-02 01:39:01,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 01:39:01,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-12-02 01:39:01,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:39:01,385 INFO L225 Difference]: With dead ends: 80 [2018-12-02 01:39:01,385 INFO L226 Difference]: Without dead ends: 73 [2018-12-02 01:39:01,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:39:01,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-02 01:39:01,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-12-02 01:39:01,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-02 01:39:01,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2018-12-02 01:39:01,392 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 22 [2018-12-02 01:39:01,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:39:01,392 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2018-12-02 01:39:01,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 01:39:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2018-12-02 01:39:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 01:39:01,393 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:39:01,393 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] [2018-12-02 01:39:01,393 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:39:01,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:39:01,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1628950099, now seen corresponding path program 1 times [2018-12-02 01:39:01,394 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 01:39:01,394 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 [2018-12-02 01:39:01,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:39:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:39:02,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:39:02,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:39:02,429 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 01:39:02,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:39:02,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:39:02,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:39:02,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:39:02,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:39:02,448 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand 7 states. [2018-12-02 01:39:07,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:39:07,439 INFO L93 Difference]: Finished difference Result 84 states and 99 transitions. [2018-12-02 01:39:07,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:39:07,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-02 01:39:07,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:39:07,441 INFO L225 Difference]: With dead ends: 84 [2018-12-02 01:39:07,441 INFO L226 Difference]: Without dead ends: 66 [2018-12-02 01:39:07,442 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:39:07,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-02 01:39:07,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-02 01:39:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-02 01:39:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2018-12-02 01:39:07,448 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 24 [2018-12-02 01:39:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:39:07,448 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2018-12-02 01:39:07,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:39:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2018-12-02 01:39:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 01:39:07,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:39:07,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:39:07,450 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:39:07,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:39:07,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1429916512, now seen corresponding path program 1 times [2018-12-02 01:39:07,451 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 01:39:07,451 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/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 [2018-12-02 01:39:07,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:39:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:39:08,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:39:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:39:08,633 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 01:39:08,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:39:08,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:39:08,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:39:08,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:39:08,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:39:08,653 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand 7 states. [2018-12-02 01:39:11,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:39:11,175 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2018-12-02 01:39:11,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:39:11,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-12-02 01:39:11,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:39:11,177 INFO L225 Difference]: With dead ends: 66 [2018-12-02 01:39:11,177 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:39:11,177 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:39:11,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:39:11,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:39:11,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:39:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:39:11,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-12-02 01:39:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:39:11,178 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:39:11,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:39:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:39:11,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:39:11,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:39:11,368 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-12-02 01:39:11,368 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-12-02 01:39:11,368 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-12-02 01:39:11,368 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:39:11,368 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:39:11,368 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:39:11,368 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2018-12-02 01:39:11,368 INFO L451 ceAbstractionStarter]: At program point L130-2(lines 130 134) the Hoare annotation is: true [2018-12-02 01:39:11,369 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 128 141) no Hoare annotation was computed. [2018-12-02 01:39:11,369 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 128 141) no Hoare annotation was computed. [2018-12-02 01:39:11,369 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 128 141) the Hoare annotation is: true [2018-12-02 01:39:11,369 INFO L448 ceAbstractionStarter]: For program point L135(lines 135 139) no Hoare annotation was computed. [2018-12-02 01:39:11,369 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 128 141) no Hoare annotation was computed. [2018-12-02 01:39:11,369 INFO L448 ceAbstractionStarter]: For program point L135-2(lines 135 139) no Hoare annotation was computed. [2018-12-02 01:39:11,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:39:11,369 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 01:39:11,369 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:39:11,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:39:11,369 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2018-12-02 01:39:11,369 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 221 238) the Hoare annotation is: true [2018-12-02 01:39:11,369 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 221 238) no Hoare annotation was computed. [2018-12-02 01:39:11,370 INFO L448 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-12-02 01:39:11,370 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 221 238) no Hoare annotation was computed. [2018-12-02 01:39:11,370 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= main_~x~0 .cse1))) [2018-12-02 01:39:11,370 INFO L448 ceAbstractionStarter]: For program point L232-1(lines 232 235) no Hoare annotation was computed. [2018-12-02 01:39:11,370 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-12-02 01:39:11,370 INFO L448 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2018-12-02 01:39:11,370 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~3))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) [2018-12-02 01:39:11,370 INFO L448 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-12-02 01:39:11,370 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 01:39:11,370 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 181) no Hoare annotation was computed. [2018-12-02 01:39:11,370 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 214) no Hoare annotation was computed. [2018-12-02 01:39:11,370 INFO L448 ceAbstractionStarter]: For program point L193-2(lines 153 219) no Hoare annotation was computed. [2018-12-02 01:39:11,371 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2018-12-02 01:39:11,371 INFO L444 ceAbstractionStarter]: At program point L156-2(lines 156 160) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-12-02 01:39:11,371 INFO L448 ceAbstractionStarter]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2018-12-02 01:39:11,371 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 170) no Hoare annotation was computed. [2018-12-02 01:39:11,371 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-12-02 01:39:11,371 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 153 219) the Hoare annotation is: true [2018-12-02 01:39:11,371 INFO L448 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-12-02 01:39:11,371 INFO L444 ceAbstractionStarter]: At program point L199-2(lines 199 203) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~3))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) [2018-12-02 01:39:11,371 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 153 219) no Hoare annotation was computed. [2018-12-02 01:39:11,371 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 182) no Hoare annotation was computed. [2018-12-02 01:39:11,372 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 153 219) no Hoare annotation was computed. [2018-12-02 01:39:11,372 INFO L448 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-12-02 01:39:11,372 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 196 214) no Hoare annotation was computed. [2018-12-02 01:39:11,372 INFO L448 ceAbstractionStarter]: For program point L204-2(lines 204 208) no Hoare annotation was computed. [2018-12-02 01:39:11,372 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 182) no Hoare annotation was computed. [2018-12-02 01:39:11,372 INFO L444 ceAbstractionStarter]: At program point L167-1(lines 167 182) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~3))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) [2018-12-02 01:39:11,372 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 78) no Hoare annotation was computed. [2018-12-02 01:39:11,372 INFO L451 ceAbstractionStarter]: At program point L98-2(lines 98 107) the Hoare annotation is: true [2018-12-02 01:39:11,372 INFO L448 ceAbstractionStarter]: For program point L98-3(lines 62 127) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 62 127) the Hoare annotation is: true [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 62 127) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 62 127) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 87) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 87) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 80) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 104) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L100-2(lines 100 104) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L451 ceAbstractionStarter]: At program point L67-2(lines 67 71) the Hoare annotation is: true [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2018-12-02 01:39:11,373 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 125) no Hoare annotation was computed. [2018-12-02 01:39:11,374 INFO L451 ceAbstractionStarter]: At program point L121-2(lines 121 125) the Hoare annotation is: true [2018-12-02 01:39:11,374 INFO L448 ceAbstractionStarter]: For program point L121-3(lines 121 125) no Hoare annotation was computed. [2018-12-02 01:39:11,374 INFO L448 ceAbstractionStarter]: For program point L84-2(lines 84 85) no Hoare annotation was computed. [2018-12-02 01:39:11,374 INFO L451 ceAbstractionStarter]: At program point L84-3(lines 84 85) the Hoare annotation is: true [2018-12-02 01:39:11,374 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 116) no Hoare annotation was computed. [2018-12-02 01:39:11,374 INFO L448 ceAbstractionStarter]: For program point L84-4(lines 84 85) no Hoare annotation was computed. [2018-12-02 01:39:11,374 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 118) no Hoare annotation was computed. [2018-12-02 01:39:11,378 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,383 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,383 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,383 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,383 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,383 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,384 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,384 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,384 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:39:11 BoogieIcfgContainer [2018-12-02 01:39:11,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:39:11,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:39:11,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:39:11,387 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:39:11,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:38:41" (3/4) ... [2018-12-02 01:39:11,389 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:39:11,393 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-02 01:39:11,393 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:39:11,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-02 01:39:11,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:39:11,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-02 01:39:11,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-02 01:39:11,397 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-12-02 01:39:11,398 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 01:39:11,398 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 01:39:11,398 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 01:39:11,414 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 01:39:11,414 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x)) [2018-12-02 01:39:11,439 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7475a7d3-0688-4e39-9ada-9cdbd3a10bef/bin-2019/utaipan/witness.graphml [2018-12-02 01:39:11,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:39:11,440 INFO L168 Benchmark]: Toolchain (without parser) took 39169.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 943.4 MB in the beginning and 860.8 MB in the end (delta: 82.6 MB). Peak memory consumption was 209.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:39:11,440 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-02 01:39:11,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.27 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:39:11,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.81 ms. Allocated memory is still 1.0 GB. Free memory is still 921.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:39:11,441 INFO L168 Benchmark]: Boogie Preprocessor took 56.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-02 01:39:11,441 INFO L168 Benchmark]: RCFGBuilder took 9324.06 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-12-02 01:39:11,441 INFO L168 Benchmark]: TraceAbstraction took 29521.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 867.4 MB in the end (delta: 202.4 MB). Peak memory consumption was 202.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:39:11,442 INFO L168 Benchmark]: Witness Printer took 52.54 ms. Allocated memory is still 1.2 GB. Free memory was 867.4 MB in the beginning and 860.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:39:11,443 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 193.27 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.81 ms. Allocated memory is still 1.0 GB. Free memory is still 921.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9324.06 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29521.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 867.4 MB in the end (delta: 202.4 MB). Peak memory consumption was 202.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.54 ms. Allocated memory is still 1.2 GB. Free memory was 867.4 MB in the beginning and 860.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 233]: 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: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant [2018-12-02 01:39:11,446 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,446 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,447 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,447 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,447 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,447 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,447 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,447 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,448 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,448 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,448 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,448 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,448 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,448 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,448 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:39:11,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x)) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 75 locations, 1 error locations. SAFE Result, 29.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 22.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 378 SDtfs, 201 SDslu, 1421 SDs, 0 SdLazy, 187 SolverSat, 23 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 17.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 203 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 20 QuantifiedInterpolants, 19273 SizeOfPredicates, 16 NumberOfNonLiveVariables, 606 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...