./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/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 0cca6d33f0772631e27f925c9516a89b4af2326a ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/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 0cca6d33f0772631e27f925c9516a89b4af2326a ............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:05:27,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:05:27,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:05:27,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:05:27,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:05:27,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:05:27,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:05:27,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:05:27,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:05:27,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:05:27,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:05:27,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:05:27,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:05:27,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:05:27,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:05:27,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:05:27,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:05:27,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:05:27,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:05:27,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:05:27,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:05:27,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:05:27,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:05:27,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:05:27,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:05:27,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:05:27,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:05:27,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:05:27,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:05:27,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:05:27,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:05:27,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:05:27,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:05:27,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:05:27,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:05:27,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:05:27,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:05:27,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:05:27,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:05:27,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:05:27,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:05:27,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:05:27,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:05:27,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:05:27,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:05:27,673 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:05:27,673 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:05:27,673 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:05:27,674 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:05:27,674 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:05:27,674 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:05:27,674 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:05:27,674 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:05:27,674 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:05:27,674 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:05:27,674 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:05:27,674 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:05:27,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:05:27,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:05:27,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:05:27,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:05:27,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:05:27,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:05:27,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:05:27,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:05:27,676 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:05:27,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:05:27,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:05:27,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:05:27,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:05:27,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:05:27,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:05:27,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:05:27,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:05:27,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:05:27,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:05:27,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:05:27,678 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:05:27,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:05:27,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:05:27,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:05:27,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:05:27,678 INFO L138 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/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/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 -> 0cca6d33f0772631e27f925c9516a89b4af2326a [2019-12-07 14:05:27,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:05:27,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:05:27,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:05:27,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:05:27,791 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:05:27,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2019-12-07 14:05:27,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data/a2c69dd73/f6f3b5a132e44328a3c8c0b6d2c85e9c/FLAG8d84c22f0 [2019-12-07 14:05:28,282 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:05:28,283 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2019-12-07 14:05:28,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data/a2c69dd73/f6f3b5a132e44328a3c8c0b6d2c85e9c/FLAG8d84c22f0 [2019-12-07 14:05:28,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data/a2c69dd73/f6f3b5a132e44328a3c8c0b6d2c85e9c [2019-12-07 14:05:28,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:05:28,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:05:28,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:05:28,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:05:28,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:05:28,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea51ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28, skipping insertion in model container [2019-12-07 14:05:28,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:05:28,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:05:28,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:05:28,509 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:05:28,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:05:28,559 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:05:28,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28 WrapperNode [2019-12-07 14:05:28,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:05:28,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:05:28,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:05:28,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:05:28,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:05:28,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:05:28,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:05:28,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:05:28,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... [2019-12-07 14:05:28,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:05:28,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:05:28,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:05:28,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:05:28,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/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 [2019-12-07 14:05:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:05:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 14:05:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:05:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 14:05:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:05:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:05:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:05:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 14:05:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:05:29,218 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:05:29,219 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 14:05:29,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:05:29 BoogieIcfgContainer [2019-12-07 14:05:29,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:05:29,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:05:29,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:05:29,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:05:29,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:05:28" (1/3) ... [2019-12-07 14:05:29,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da5be9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:05:29, skipping insertion in model container [2019-12-07 14:05:29,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:28" (2/3) ... [2019-12-07 14:05:29,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da5be9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:05:29, skipping insertion in model container [2019-12-07 14:05:29,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:05:29" (3/3) ... [2019-12-07 14:05:29,226 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2019-12-07 14:05:29,235 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:05:29,241 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:05:29,248 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:05:29,266 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:05:29,267 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:05:29,267 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:05:29,267 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:05:29,267 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:05:29,267 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:05:29,267 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:05:29,267 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:05:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-12-07 14:05:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 14:05:29,287 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:05:29,287 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:05:29,288 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:05:29,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:05:29,291 INFO L82 PathProgramCache]: Analyzing trace with hash -703808070, now seen corresponding path program 1 times [2019-12-07 14:05:29,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:05:29,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946550344] [2019-12-07 14:05:29,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:05:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:05:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:05:29,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946550344] [2019-12-07 14:05:29,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:05:29,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:05:29,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700535272] [2019-12-07 14:05:29,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:05:29,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:05:29,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:05:29,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:05:29,407 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2019-12-07 14:05:29,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:05:29,425 INFO L93 Difference]: Finished difference Result 166 states and 283 transitions. [2019-12-07 14:05:29,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:05:29,426 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 14:05:29,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:05:29,433 INFO L225 Difference]: With dead ends: 166 [2019-12-07 14:05:29,433 INFO L226 Difference]: Without dead ends: 81 [2019-12-07 14:05:29,436 INFO L630 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 [2019-12-07 14:05:29,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-12-07 14:05:29,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-12-07 14:05:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 14:05:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2019-12-07 14:05:29,463 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 10 [2019-12-07 14:05:29,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:05:29,463 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2019-12-07 14:05:29,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:05:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2019-12-07 14:05:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 14:05:29,464 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:05:29,464 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:05:29,464 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:05:29,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:05:29,464 INFO L82 PathProgramCache]: Analyzing trace with hash 2034900675, now seen corresponding path program 1 times [2019-12-07 14:05:29,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:05:29,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329917558] [2019-12-07 14:05:29,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:05:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:05:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:05:29,565 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 14:05:29,565 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:05:29,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:05:29 BoogieIcfgContainer [2019-12-07 14:05:29,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:05:29,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:05:29,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:05:29,591 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:05:29,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:05:29" (3/4) ... [2019-12-07 14:05:29,594 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:05:29,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:05:29,595 INFO L168 Benchmark]: Toolchain (without parser) took 1295.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 936.7 MB in the beginning and 958.4 MB in the end (delta: -21.7 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:05:29,596 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:05:29,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:05:29,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:05:29,597 INFO L168 Benchmark]: Boogie Preprocessor took 40.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:05:29,598 INFO L168 Benchmark]: RCFGBuilder took 576.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.5 MB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:05:29,598 INFO L168 Benchmark]: TraceAbstraction took 369.73 ms. Allocated memory is still 1.1 GB. Free memory was 992.2 MB in the beginning and 959.8 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:05:29,598 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.1 GB. Free memory was 959.8 MB in the beginning and 958.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:05:29,601 INFO L335 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 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 576.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.5 MB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 369.73 ms. Allocated memory is still 1.1 GB. Free memory was 992.2 MB in the beginning and 959.8 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.1 GB. Free memory was 959.8 MB in the beginning and 958.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 260]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L251] double x = 0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y > 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != pi_o_2 VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L260] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 114 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=84occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.25-f470102 [2019-12-07 14:05:30,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:05:30,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:05:30,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:05:30,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:05:30,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:05:30,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:05:30,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:05:30,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:05:30,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:05:30,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:05:30,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:05:30,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:05:30,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:05:30,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:05:30,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:05:30,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:05:30,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:05:30,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:05:30,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:05:30,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:05:30,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:05:30,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:05:30,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:05:30,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:05:30,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:05:30,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:05:30,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:05:30,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:05:30,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:05:30,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:05:30,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:05:30,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:05:30,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:05:30,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:05:30,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:05:30,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:05:30,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:05:30,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:05:30,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:05:30,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:05:30,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:05:30,988 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:05:30,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:05:30,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:05:30,989 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:05:30,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:05:30,990 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:05:30,990 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:05:30,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:05:30,990 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:05:30,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:05:30,991 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:05:30,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:05:30,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:05:30,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:05:30,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:05:30,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:05:30,991 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:05:30,992 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:05:30,992 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:05:30,992 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:05:30,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:05:30,992 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:05:30,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:05:30,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:05:30,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:05:30,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:05:30,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:05:30,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:05:30,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:05:30,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:05:30,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:05:30,993 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:05:30,993 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:05:30,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:05:30,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:05:30,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:05:30,994 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/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 -> 0cca6d33f0772631e27f925c9516a89b4af2326a [2019-12-07 14:05:31,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:05:31,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:05:31,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:05:31,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:05:31,183 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:05:31,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2019-12-07 14:05:31,228 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data/4c74fe277/3f0892fde74c419399882a2b0fcaa17d/FLAG24b23a882 [2019-12-07 14:05:31,577 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:05:31,577 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2019-12-07 14:05:31,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data/4c74fe277/3f0892fde74c419399882a2b0fcaa17d/FLAG24b23a882 [2019-12-07 14:05:31,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/data/4c74fe277/3f0892fde74c419399882a2b0fcaa17d [2019-12-07 14:05:31,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:05:31,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:05:31,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:05:31,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:05:31,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:05:31,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:31,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203973a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31, skipping insertion in model container [2019-12-07 14:05:31,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:31,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:05:31,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:05:31,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:05:31,786 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:05:31,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:05:31,910 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:05:31,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31 WrapperNode [2019-12-07 14:05:31,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:05:31,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:05:31,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:05:31,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:05:31,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:31,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:31,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:05:31,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:05:31,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:05:31,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:05:31,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:31,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:31,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:31,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:31,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:31,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:32,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... [2019-12-07 14:05:32,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:05:32,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:05:32,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:05:32,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:05:32,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/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 [2019-12-07 14:05:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 14:05:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 14:05:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:05:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 14:05:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 14:05:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:05:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:05:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 14:05:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:06:06,863 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:06:06,863 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 14:06:06,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:06:06 BoogieIcfgContainer [2019-12-07 14:06:06,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:06:06,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:06:06,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:06:06,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:06:06,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:05:31" (1/3) ... [2019-12-07 14:06:06,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c02e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:06:06, skipping insertion in model container [2019-12-07 14:06:06,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:05:31" (2/3) ... [2019-12-07 14:06:06,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c02e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:06:06, skipping insertion in model container [2019-12-07 14:06:06,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:06:06" (3/3) ... [2019-12-07 14:06:06,870 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2019-12-07 14:06:06,876 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:06:06,881 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:06:06,889 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:06:06,904 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:06:06,905 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:06:06,905 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:06:06,905 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:06:06,905 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:06:06,905 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:06:06,905 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:06:06,906 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:06:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 14:06:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:06:06,921 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:06:06,921 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:06:06,921 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:06:06,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:06:06,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 14:06:06,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:06:06,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733274012] [2019-12-07 14:06:06,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/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 [2019-12-07 14:06:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:06:07,246 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:06:07,250 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:06:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:06:07,261 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:06:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:06:07,265 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733274012] [2019-12-07 14:06:07,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:06:07,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:06:07,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583321918] [2019-12-07 14:06:07,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:06:07,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:06:07,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:06:07,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:06:07,281 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 14:06:07,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:06:07,303 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 14:06:07,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:06:07,304 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 14:06:07,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:06:07,312 INFO L225 Difference]: With dead ends: 227 [2019-12-07 14:06:07,312 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 14:06:07,315 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:06:07,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 14:06:07,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 14:06:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 14:06:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 14:06:07,351 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 14:06:07,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:06:07,351 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 14:06:07,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:06:07,351 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 14:06:07,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 14:06:07,352 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:06:07,352 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:06:07,553 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:06:07,554 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:06:07,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:06:07,554 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 14:06:07,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:06:07,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080284548] [2019-12-07 14:06:07,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/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 [2019-12-07 14:06:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:06:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:06:08,810 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 14:06:08,810 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:06:09,011 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:06:09,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:06:09 BoogieIcfgContainer [2019-12-07 14:06:09,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:06:09,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:06:09,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:06:09,078 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:06:09,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:06:06" (3/4) ... [2019-12-07 14:06:09,080 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 14:06:09,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6f01c1a8-de41-42fa-89f8-c4f2b8a95314/bin/utaipan/witness.graphml [2019-12-07 14:06:09,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:06:09,127 INFO L168 Benchmark]: Toolchain (without parser) took 37533.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 952.3 MB in the beginning and 999.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 134.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:06:09,127 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:06:09,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -218.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:06:09,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:06:09,128 INFO L168 Benchmark]: Boogie Preprocessor took 48.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:06:09,129 INFO L168 Benchmark]: RCFGBuilder took 34857.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:06:09,129 INFO L168 Benchmark]: TraceAbstraction took 2212.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:06:09,129 INFO L168 Benchmark]: Witness Printer took 47.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:06:09,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -218.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 34857.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2212.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 MB. Max. memory is 11.5 GB. * Witness Printer took 47.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 260]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L251] double x = 0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y > 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L260] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...