./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0670.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_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/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 7437f00c34877da3eeb70986d6a7f4bae4c9669a ...................................................................................................................................................................................................................................................................................................................................... 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_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/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 7437f00c34877da3eeb70986d6a7f4bae4c9669a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:57:04,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:57:04,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:57:04,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:57:04,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:57:04,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:57:04,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:57:04,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:57:04,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:57:04,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:57:04,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:57:04,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:57:04,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:57:04,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:57:04,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:57:04,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:57:04,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:57:04,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:57:04,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:57:04,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:57:04,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:57:04,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:57:04,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:57:04,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:57:04,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:57:04,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:57:04,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:57:04,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:57:04,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:57:04,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:57:04,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:57:04,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:57:04,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:57:04,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:57:04,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:57:04,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:57:04,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:57:04,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:57:04,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:57:04,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:57:04,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:57:04,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:57:04,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:57:04,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:57:04,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:57:04,510 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:57:04,510 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:57:04,510 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:57:04,510 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:57:04,510 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:57:04,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:57:04,510 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:57:04,510 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:57:04,510 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:57:04,511 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:57:04,511 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:57:04,511 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:57:04,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:57:04,511 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:57:04,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:57:04,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:57:04,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:57:04,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:57:04,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:57:04,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:57:04,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:57:04,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:57:04,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:57:04,513 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:57:04,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:57:04,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:57:04,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:57:04,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:57:04,514 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_89ed5368-aadd-4e46-820f-f6c7c15bf596/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 -> 7437f00c34877da3eeb70986d6a7f4bae4c9669a [2019-12-07 21:57:04,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:57:04,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:57:04,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:57:04,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:57:04,625 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:57:04,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-07 21:57:04,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data/6e4e6ef69/05d49c240fc447f889d58a30d614e23a/FLAGd14d536e9 [2019-12-07 21:57:05,091 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:57:05,092 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-07 21:57:05,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data/6e4e6ef69/05d49c240fc447f889d58a30d614e23a/FLAGd14d536e9 [2019-12-07 21:57:05,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data/6e4e6ef69/05d49c240fc447f889d58a30d614e23a [2019-12-07 21:57:05,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:57:05,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:57:05,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:57:05,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:57:05,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:57:05,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b24a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05, skipping insertion in model container [2019-12-07 21:57:05,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:57:05,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:57:05,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:57:05,361 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:57:05,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:57:05,413 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:57:05,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05 WrapperNode [2019-12-07 21:57:05,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:57:05,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:57:05,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:57:05,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:57:05,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:57:05,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:57:05,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:57:05,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:57:05,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... [2019-12-07 21:57:05,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:57:05,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:57:05,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:57:05,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:57:05,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/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 21:57:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 21:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 21:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 21:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:57:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 21:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 21:57:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:57:06,117 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:57:06,117 INFO L287 CfgBuilder]: Removed 50 assume(true) statements. [2019-12-07 21:57:06,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:57:06 BoogieIcfgContainer [2019-12-07 21:57:06,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:57:06,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:57:06,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:57:06,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:57:06,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:57:05" (1/3) ... [2019-12-07 21:57:06,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564cc007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:57:06, skipping insertion in model container [2019-12-07 21:57:06,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:05" (2/3) ... [2019-12-07 21:57:06,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564cc007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:57:06, skipping insertion in model container [2019-12-07 21:57:06,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:57:06" (3/3) ... [2019-12-07 21:57:06,127 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2019-12-07 21:57:06,134 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:57:06,139 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:57:06,147 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:57:06,165 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:57:06,165 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:57:06,165 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:57:06,165 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:57:06,165 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:57:06,165 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:57:06,165 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:57:06,165 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:57:06,178 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-12-07 21:57:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 21:57:06,182 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:57:06,182 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:57:06,183 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:57:06,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:57:06,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1307367747, now seen corresponding path program 1 times [2019-12-07 21:57:06,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:57:06,193 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664641111] [2019-12-07 21:57:06,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:57:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:57:06,312 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 21:57:06,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664641111] [2019-12-07 21:57:06,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:57:06,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 21:57:06,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921793988] [2019-12-07 21:57:06,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:57:06,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:57:06,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:57:06,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:57:06,327 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2019-12-07 21:57:06,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:57:06,349 INFO L93 Difference]: Finished difference Result 166 states and 283 transitions. [2019-12-07 21:57:06,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:57:06,350 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 21:57:06,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:57:06,359 INFO L225 Difference]: With dead ends: 166 [2019-12-07 21:57:06,359 INFO L226 Difference]: Without dead ends: 81 [2019-12-07 21:57:06,362 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 21:57:06,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-12-07 21:57:06,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-12-07 21:57:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 21:57:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2019-12-07 21:57:06,388 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 10 [2019-12-07 21:57:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:57:06,388 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2019-12-07 21:57:06,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:57:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2019-12-07 21:57:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 21:57:06,389 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:57:06,389 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:57:06,389 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:57:06,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:57:06,389 INFO L82 PathProgramCache]: Analyzing trace with hash 2019220172, now seen corresponding path program 1 times [2019-12-07 21:57:06,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:57:06,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350620756] [2019-12-07 21:57:06,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:57:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:57:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:57:06,505 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 21:57:06,505 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:57:06,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:57:06 BoogieIcfgContainer [2019-12-07 21:57:06,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:57:06,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:57:06,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:57:06,533 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:57:06,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:57:06" (3/4) ... [2019-12-07 21:57:06,535 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 21:57:06,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:57:06,537 INFO L168 Benchmark]: Toolchain (without parser) took 1425.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 943.5 MB in the beginning and 944.2 MB in the end (delta: -710.0 kB). Peak memory consumption was 91.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:57:06,537 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:57:06,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:57:06,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.21 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:57:06,538 INFO L168 Benchmark]: Boogie Preprocessor took 40.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:57:06,539 INFO L168 Benchmark]: RCFGBuilder took 625.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 981.8 MB in the end (delta: 94.7 MB). Peak memory consumption was 94.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:57:06,539 INFO L168 Benchmark]: TraceAbstraction took 411.18 ms. Allocated memory is still 1.1 GB. Free memory was 976.5 MB in the beginning and 944.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:57:06,539 INFO L168 Benchmark]: Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:57:06,542 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.21 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 625.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 981.8 MB in the end (delta: 94.7 MB). Peak memory consumption was 94.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 411.18 ms. Allocated memory is still 1.1 GB. Free memory was 976.5 MB in the beginning and 944.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 262]: 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 245. 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; [L253] double x = __VERIFIER_nondet_double(); [L254] double y = __VERIFIER_nondet_double(); [L245] return x != x; [L256] isnan_double(x) || isnan_double(y) VAL [aT_atan={6:0}, atanhi_atan={5:0}, atanlo_atan={3:0}, 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] COND TRUE isnan_double(x) || isnan_double(y) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={5:0}, atanlo_atan={3:0}, 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={6:0}, atanhi_atan={5:0}, atanlo_atan={3:0}, 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={6:0}, atanhi_atan={5:0}, atanlo_atan={3:0}, 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={6:0}, atanhi_atan={5:0}, atanlo_atan={3:0}, 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] [L258] double res = __ieee754_atan2(y, x); [L245] return x != x; [L261] COND TRUE !isnan_double(res) [L262] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={5:0}, atanlo_atan={3:0}, 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 21:57:07,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:57:07,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:57:07,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:57:07,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:57:07,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:57:07,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:57:07,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:57:07,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:57:07,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:57:07,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:57:07,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:57:07,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:57:07,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:57:07,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:57:07,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:57:07,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:57:07,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:57:07,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:57:07,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:57:07,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:57:07,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:57:07,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:57:07,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:57:07,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:57:07,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:57:07,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:57:07,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:57:07,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:57:07,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:57:07,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:57:07,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:57:07,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:57:07,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:57:08,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:57:08,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:57:08,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:57:08,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:57:08,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:57:08,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:57:08,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:57:08,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:57:08,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:57:08,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:57:08,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:57:08,016 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:57:08,016 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:57:08,016 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:57:08,016 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:57:08,017 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:57:08,017 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:57:08,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:57:08,017 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:57:08,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:57:08,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:57:08,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:57:08,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:57:08,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:57:08,018 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:57:08,019 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:57:08,019 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:57:08,019 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:57:08,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:57:08,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:57:08,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:57:08,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:57:08,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:57:08,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:57:08,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:57:08,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:57:08,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:57:08,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:57:08,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:57:08,020 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:57:08,020 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:57:08,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:57:08,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:57:08,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:57:08,021 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_89ed5368-aadd-4e46-820f-f6c7c15bf596/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 -> 7437f00c34877da3eeb70986d6a7f4bae4c9669a [2019-12-07 21:57:08,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:57:08,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:57:08,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:57:08,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:57:08,216 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:57:08,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-07 21:57:08,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data/f7c9a41d2/6d837dbb3e884b7e85cfe51148343a53/FLAGe6f85fbd6 [2019-12-07 21:57:08,679 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:57:08,679 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-07 21:57:08,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data/f7c9a41d2/6d837dbb3e884b7e85cfe51148343a53/FLAGe6f85fbd6 [2019-12-07 21:57:09,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/data/f7c9a41d2/6d837dbb3e884b7e85cfe51148343a53 [2019-12-07 21:57:09,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:57:09,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:57:09,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:57:09,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:57:09,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:57:09,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453566ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09, skipping insertion in model container [2019-12-07 21:57:09,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:57:09,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:57:09,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:57:09,213 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:57:09,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:57:09,304 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:57:09,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09 WrapperNode [2019-12-07 21:57:09,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:57:09,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:57:09,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:57:09,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:57:09,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:57:09,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:57:09,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:57:09,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:57:09,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... [2019-12-07 21:57:09,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:57:09,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:57:09,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:57:09,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:57:09,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/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 21:57:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 21:57:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 21:57:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:57:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 21:57:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 21:57:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:57:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:57:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 21:57:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:57:45,790 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:57:45,790 INFO L287 CfgBuilder]: Removed 50 assume(true) statements. [2019-12-07 21:57:45,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:57:45 BoogieIcfgContainer [2019-12-07 21:57:45,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:57:45,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:57:45,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:57:45,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:57:45,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:57:09" (1/3) ... [2019-12-07 21:57:45,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151169ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:57:45, skipping insertion in model container [2019-12-07 21:57:45,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:57:09" (2/3) ... [2019-12-07 21:57:45,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151169ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:57:45, skipping insertion in model container [2019-12-07 21:57:45,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:57:45" (3/3) ... [2019-12-07 21:57:45,796 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2019-12-07 21:57:45,802 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:57:45,807 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:57:45,814 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:57:45,830 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:57:45,830 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:57:45,831 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:57:45,831 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:57:45,831 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:57:45,831 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:57:45,831 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:57:45,831 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:57:45,843 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2019-12-07 21:57:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 21:57:45,847 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:57:45,847 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:57:45,847 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:57:45,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:57:45,851 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2019-12-07 21:57:45,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:57:45,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599467545] [2019-12-07 21:57:45,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/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 21:57:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:57:46,192 INFO L264 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:57:46,195 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:57:46,205 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 21:57:46,206 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:57:46,209 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 21:57:46,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599467545] [2019-12-07 21:57:46,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:57:46,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:57:46,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714207294] [2019-12-07 21:57:46,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:57:46,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:57:46,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:57:46,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:57:46,229 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2019-12-07 21:57:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:57:46,255 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2019-12-07 21:57:46,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:57:46,257 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-07 21:57:46,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:57:46,269 INFO L225 Difference]: With dead ends: 232 [2019-12-07 21:57:46,270 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 21:57:46,273 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 21:57:46,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 21:57:46,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 21:57:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 21:57:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-07 21:57:46,311 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2019-12-07 21:57:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:57:46,312 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-07 21:57:46,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:57:46,312 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-07 21:57:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 21:57:46,312 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:57:46,312 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:57:46,513 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:57:46,514 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:57:46,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:57:46,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2019-12-07 21:57:46,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:57:46,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448344011] [2019-12-07 21:57:46,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/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 21:57:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:57:46,888 INFO L264 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 21:57:46,890 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:57:46,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:57:46,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:57:47,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:57:47,530 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 21:57:47,531 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:57:49,176 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-12-07 21:57:50,393 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-12-07 21:57:52,299 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 21:57:52,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:57:54,372 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 21:57:54,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:57:54,419 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 21:57:54,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448344011] [2019-12-07 21:57:54,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:57:54,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2019-12-07 21:57:54,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748589019] [2019-12-07 21:57:54,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-07 21:57:54,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:57:54,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-07 21:57:54,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2019-12-07 21:57:54,422 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand 17 states. [2019-12-07 21:57:59,132 WARN L192 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 26 DAG size of output: 19 [2019-12-07 21:58:02,036 WARN L192 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-12-07 22:00:17,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:00:17,882 INFO L93 Difference]: Finished difference Result 244 states and 339 transitions. [2019-12-07 22:00:17,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 22:00:17,900 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2019-12-07 22:00:17,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:00:17,902 INFO L225 Difference]: With dead ends: 244 [2019-12-07 22:00:17,903 INFO L226 Difference]: Without dead ends: 239 [2019-12-07 22:00:17,904 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2019-12-07 22:00:17,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-12-07 22:00:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 123. [2019-12-07 22:00:17,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-12-07 22:00:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 172 transitions. [2019-12-07 22:00:17,915 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 172 transitions. Word has length 16 [2019-12-07 22:00:17,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:00:17,915 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 172 transitions. [2019-12-07 22:00:17,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-07 22:00:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2019-12-07 22:00:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 22:00:17,916 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:00:17,916 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:00:18,117 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 22:00:18,117 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:00:18,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:00:18,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2144381910, now seen corresponding path program 1 times [2019-12-07 22:00:18,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:00:18,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338530155] [2019-12-07 22:00:18,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/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 [2019-12-07 22:00:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:00:18,487 INFO L264 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 22:00:18,489 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:00:18,519 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 22:00:18,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 22:00:19,089 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 22:00:19,089 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:00:20,620 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-12-07 22:00:22,287 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 22:00:22,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 22:00:24,072 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 22:00:24,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 22:00:24,142 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 22:00:24,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338530155] [2019-12-07 22:00:24,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:00:24,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-12-07 22:00:24,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709703550] [2019-12-07 22:00:24,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 22:00:24,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:00:24,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 22:00:24,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-12-07 22:00:24,143 INFO L87 Difference]: Start difference. First operand 123 states and 172 transitions. Second operand 15 states. [2019-12-07 22:00:26,272 WARN L192 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-12-07 22:00:27,622 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2019-12-07 22:00:29,653 WARN L192 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2019-12-07 22:00:31,616 WARN L192 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2019-12-07 22:00:48,273 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 20 [2019-12-07 22:02:08,438 WARN L192 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-12-07 22:03:09,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:03:09,617 INFO L93 Difference]: Finished difference Result 215 states and 300 transitions. [2019-12-07 22:03:09,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 22:03:09,636 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2019-12-07 22:03:09,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:03:09,638 INFO L225 Difference]: With dead ends: 215 [2019-12-07 22:03:09,638 INFO L226 Difference]: Without dead ends: 210 [2019-12-07 22:03:09,638 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2019-12-07 22:03:09,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-12-07 22:03:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 128. [2019-12-07 22:03:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 22:03:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2019-12-07 22:03:09,648 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 17 [2019-12-07 22:03:09,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:03:09,648 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2019-12-07 22:03:09,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 22:03:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2019-12-07 22:03:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 22:03:09,650 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:03:09,650 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:03:09,850 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 22:03:09,851 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:03:09,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:03:09,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1759093575, now seen corresponding path program 1 times [2019-12-07 22:03:09,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:03:09,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726605255] [2019-12-07 22:03:09,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/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 [2019-12-07 22:03:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:03:10,199 INFO L264 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 22:03:10,201 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:03:10,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 22:03:10,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 22:03:10,322 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 22:03:10,322 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:03:10,503 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 22:03:10,543 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 22:03:10,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726605255] [2019-12-07 22:03:10,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:03:10,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-12-07 22:03:10,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012138523] [2019-12-07 22:03:10,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 22:03:10,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:03:10,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 22:03:10,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-12-07 22:03:10,545 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 14 states. [2019-12-07 22:03:17,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:03:17,684 INFO L93 Difference]: Finished difference Result 288 states and 398 transitions. [2019-12-07 22:03:17,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 22:03:17,685 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2019-12-07 22:03:17,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:03:17,687 INFO L225 Difference]: With dead ends: 288 [2019-12-07 22:03:17,687 INFO L226 Difference]: Without dead ends: 255 [2019-12-07 22:03:17,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2019-12-07 22:03:17,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-12-07 22:03:17,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 132. [2019-12-07 22:03:17,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-12-07 22:03:17,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2019-12-07 22:03:17,695 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 21 [2019-12-07 22:03:17,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:03:17,696 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2019-12-07 22:03:17,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 22:03:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2019-12-07 22:03:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 22:03:17,697 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:03:17,697 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:03:17,897 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 22:03:17,898 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:03:17,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:03:17,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1210389367, now seen corresponding path program 1 times [2019-12-07 22:03:17,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:03:17,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303042184] [2019-12-07 22:03:17,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/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 [2019-12-07 22:03:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 22:03:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 22:03:18,931 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 22:03:18,931 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 22:03:19,132 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 22:03:19,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:03:19 BoogieIcfgContainer [2019-12-07 22:03:19,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 22:03:19,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 22:03:19,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 22:03:19,214 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 22:03:19,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:57:45" (3/4) ... [2019-12-07 22:03:19,216 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 22:03:19,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_89ed5368-aadd-4e46-820f-f6c7c15bf596/bin/utaipan/witness.graphml [2019-12-07 22:03:19,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 22:03:19,287 INFO L168 Benchmark]: Toolchain (without parser) took 370247.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.4 MB in the beginning and 891.2 MB in the end (delta: 61.1 MB). Peak memory consumption was 199.6 MB. Max. memory is 11.5 GB. [2019-12-07 22:03:19,287 INFO L168 Benchmark]: CDTParser took 0.16 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 22:03:19,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2019-12-07 22:03:19,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 22:03:19,288 INFO L168 Benchmark]: Boogie Preprocessor took 46.31 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 22:03:19,289 INFO L168 Benchmark]: RCFGBuilder took 36395.74 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: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2019-12-07 22:03:19,289 INFO L168 Benchmark]: TraceAbstraction took 333421.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Free memory was 1.0 GB in the beginning and 897.4 MB in the end (delta: 140.9 MB). Peak memory consumption was 143.0 MB. Max. memory is 11.5 GB. [2019-12-07 22:03:19,289 INFO L168 Benchmark]: Witness Printer took 72.21 ms. Allocated memory is still 1.2 GB. Free memory was 897.4 MB in the beginning and 891.2 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2019-12-07 22:03:19,291 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 264.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.31 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 36395.74 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: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 333421.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Free memory was 1.0 GB in the beginning and 897.4 MB in the end (delta: 140.9 MB). Peak memory consumption was 143.0 MB. Max. memory is 11.5 GB. * Witness Printer took 72.21 ms. Allocated memory is still 1.2 GB. Free memory was 897.4 MB in the beginning and 891.2 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 262]: 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] [L253] double x = __VERIFIER_nondet_double(); [L254] double y = __VERIFIER_nondet_double(); [L245] return x != x; 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] isnan_double(x) || isnan_double(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] COND TRUE isnan_double(x) || isnan_double(y) [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 FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) 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] [L164] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L166] m = ((hy >> 31) & 1) | ((hx >> 30) & 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] [L168] COND TRUE (iy | ly) == 0 [L170] case 0: 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] [L171] case 1: [L172] return 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] [L258] double res = __ieee754_atan2(y, x); [L245] return x != x; 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] [L261] COND TRUE !isnan_double(res) [L262] __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, 119 locations, 1 error locations. Result: UNSAFE, OverallTime: 333.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 316.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 651 SDtfs, 2974 SDslu, 3605 SDs, 0 SdLazy, 793 SolverSat, 45 SolverUnsat, 79 SolverUnknown, 0 SolverNotchecked, 288.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 25.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, 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, 4 MinimizatonAttempts, 321 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 128 ConstructedInterpolants, 43 QuantifiedInterpolants, 16456 SizeOfPredicates, 45 NumberOfNonLiveVariables, 534 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...