./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:38:35,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:38:35,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:38:35,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:38:35,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:38:35,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:38:35,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:38:35,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:38:35,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:38:35,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:38:35,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:38:35,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:38:35,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:38:35,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:38:35,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:38:35,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:38:35,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:38:35,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:38:35,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:38:35,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:38:35,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:38:35,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:38:35,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:38:35,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:38:35,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:38:35,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:38:35,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:38:35,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:38:35,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:38:35,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:38:35,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:38:35,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:38:35,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:38:35,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:38:35,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:38:35,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:38:35,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:38:35,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:38:35,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:38:35,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:38:35,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:38:35,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:38:35,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:38:35,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:38:35,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:38:35,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:38:35,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:38:35,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:38:35,546 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:38:35,546 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:38:35,546 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:38:35,546 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:38:35,547 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:38:35,548 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:38:35,548 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:38:35,548 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:38:35,548 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:38:35,549 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:38:35,549 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:38:35,549 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:38:35,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:38:35,550 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:38:35,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:38:35,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:38:35,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:38:35,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:38:35,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:38:35,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:38:35,551 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:38:35,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:38:35,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:38:35,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:38:35,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:38:35,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:38:35,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:38:35,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:38:35,555 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:38:35,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:38:35,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:38:35,555 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:38:35,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:38:35,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:38:35,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:38:35,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2022-11-19 06:38:35,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:38:35,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:38:35,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:38:35,891 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:38:35,891 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:38:35,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2022-11-19 06:38:35,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data/88813c17e/980e76e463f94910a1db10e41a19a97f/FLAGac4e88e48 [2022-11-19 06:38:36,411 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:38:36,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2022-11-19 06:38:36,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data/88813c17e/980e76e463f94910a1db10e41a19a97f/FLAGac4e88e48 [2022-11-19 06:38:36,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data/88813c17e/980e76e463f94910a1db10e41a19a97f [2022-11-19 06:38:36,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:38:36,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:38:36,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:38:36,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:38:36,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:38:36,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:38:36" (1/1) ... [2022-11-19 06:38:36,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5b8bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:36, skipping insertion in model container [2022-11-19 06:38:36,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:38:36" (1/1) ... [2022-11-19 06:38:36,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:38:36,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:38:37,088 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2022-11-19 06:38:37,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:38:37,109 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:38:37,159 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2022-11-19 06:38:37,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:38:37,177 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:38:37,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37 WrapperNode [2022-11-19 06:38:37,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:38:37,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:38:37,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:38:37,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:38:37,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,245 INFO L138 Inliner]: procedures = 21, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 275 [2022-11-19 06:38:37,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:38:37,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:38:37,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:38:37,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:38:37,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:38:37,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:38:37,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:38:37,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:38:37,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (1/1) ... [2022-11-19 06:38:37,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:38:37,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:38:37,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:38:37,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:38:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:38:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:38:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:38:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-19 06:38:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:38:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-19 06:38:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-19 06:38:37,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-19 06:38:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:38:37,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:38:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:38:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-19 06:38:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-19 06:38:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-19 06:38:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:38:37,556 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:38:37,558 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:38:38,076 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:38:38,296 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:38:38,297 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-19 06:38:38,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:38:38 BoogieIcfgContainer [2022-11-19 06:38:38,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:38:38,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:38:38,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:38:38,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:38:38,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:38:36" (1/3) ... [2022-11-19 06:38:38,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745f4a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:38:38, skipping insertion in model container [2022-11-19 06:38:38,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:37" (2/3) ... [2022-11-19 06:38:38,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745f4a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:38:38, skipping insertion in model container [2022-11-19 06:38:38,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:38:38" (3/3) ... [2022-11-19 06:38:38,310 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683a.c [2022-11-19 06:38:38,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:38:38,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:38:38,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:38:38,408 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b15108c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:38:38,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:38:38,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 68 states have (on average 1.7058823529411764) internal successors, (116), 69 states have internal predecessors, (116), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:38:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 06:38:38,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:38,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:38,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:38:38,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:38,427 INFO L85 PathProgramCache]: Analyzing trace with hash -2103734380, now seen corresponding path program 1 times [2022-11-19 06:38:38,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:38,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987761389] [2022-11-19 06:38:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:38,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:38,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987761389] [2022-11-19 06:38:38,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987761389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:38,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:38,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:38:38,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072333498] [2022-11-19 06:38:38,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:38,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:38:38,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:38,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:38:38,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:38:38,706 INFO L87 Difference]: Start difference. First operand has 76 states, 68 states have (on average 1.7058823529411764) internal successors, (116), 69 states have internal predecessors, (116), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:38,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:38,814 INFO L93 Difference]: Finished difference Result 151 states and 251 transitions. [2022-11-19 06:38:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:38:38,816 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 06:38:38,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:38,832 INFO L225 Difference]: With dead ends: 151 [2022-11-19 06:38:38,833 INFO L226 Difference]: Without dead ends: 73 [2022-11-19 06:38:38,836 INFO L412 NwaCegarLoop]: 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 [2022-11-19 06:38:38,839 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:38,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:38:38,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-19 06:38:38,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-19 06:38:38,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 66 states have internal predecessors, (93), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:38:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2022-11-19 06:38:38,892 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 13 [2022-11-19 06:38:38,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:38,892 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2022-11-19 06:38:38,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:38:38,893 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2022-11-19 06:38:38,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 06:38:38,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:38,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:38,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:38:38,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:38:38,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:38,898 INFO L85 PathProgramCache]: Analyzing trace with hash 332705245, now seen corresponding path program 1 times [2022-11-19 06:38:38,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:38,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196961901] [2022-11-19 06:38:38,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:38,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:38:39,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 06:38:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:38:39,164 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 06:38:39,164 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 06:38:39,166 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:38:39,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:38:39,171 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 06:38:39,174 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:38:39,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:38:39 BoogieIcfgContainer [2022-11-19 06:38:39,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:38:39,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:38:39,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:38:39,209 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:38:39,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:38:38" (3/4) ... [2022-11-19 06:38:39,212 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 06:38:39,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:38:39,213 INFO L158 Benchmark]: Toolchain (without parser) took 2425.79ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 51.3MB in the end (delta: 32.9MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-11-19 06:38:39,213 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:38:39,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.54ms. Allocated memory is still 121.6MB. Free memory was 84.0MB in the beginning and 93.0MB in the end (delta: -9.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 06:38:39,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.26ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 90.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:38:39,215 INFO L158 Benchmark]: Boogie Preprocessor took 77.57ms. Allocated memory is still 121.6MB. Free memory was 90.5MB in the beginning and 87.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:38:39,216 INFO L158 Benchmark]: RCFGBuilder took 976.03ms. Allocated memory is still 121.6MB. Free memory was 87.3MB in the beginning and 92.6MB in the end (delta: -5.3MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2022-11-19 06:38:39,216 INFO L158 Benchmark]: TraceAbstraction took 904.67ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 51.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-19 06:38:39,217 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 121.6MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:38:39,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.54ms. Allocated memory is still 121.6MB. Free memory was 84.0MB in the beginning and 93.0MB in the end (delta: -9.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.26ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 90.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.57ms. Allocated memory is still 121.6MB. Free memory was 90.5MB in the beginning and 87.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 976.03ms. Allocated memory is still 121.6MB. Free memory was 87.3MB in the beginning and 92.6MB in the end (delta: -5.3MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * TraceAbstraction took 904.67ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 51.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 121.6MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 257]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 256, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L249] float x = 1.0f / 0.0f; [L250] float y = __VERIFIER_nondet_float(); [L252] CALL, EXPR isfinite_float(y) [L231] __int32_t ix; VAL [\old(x)=1000000000000000000000000000014, aT_atan={4:0}, atanhi_atan={5:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000014, zero_atan2=0] [L233] ieee_float_shape_type gf_u; [L234] gf_u.value = (x) [L235] EXPR gf_u.word [L235] (ix) = gf_u.word [L237] ix &= 0x7fffffff [L238] return (((ix) < 0x7f800000L)); [L252] RET, EXPR isfinite_float(y) [L252] COND TRUE isfinite_float(y) && y < 0.0f [L253] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000016, \old(y)=1000000000000000000000000000014, aT_atan={4:0}, atanhi_atan={5:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000016, y=1000000000000000000000000000014, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000016, \old(y)=1000000000000000000000000000014, aT_atan={4:0}, atanhi_atan={5:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000, hx=0, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000016, y=1000000000000000000000000000014, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000016, \old(y)=1000000000000000000000000000014, aT_atan={4:0}, atanhi_atan={5:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=2139095041, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000016, y=1000000000000000000000000000014, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000016, \old(y)=1000000000000000000000000000014, aT_atan={4:0}, atanhi_atan={5:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=2139095041, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000016, y=1000000000000000000000000000014, zero_atan2=0] [L253] RET, EXPR __ieee754_atan2f(y, x) [L253] float res = __ieee754_atan2f(y, x); [L256] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={4:0}, atanhi_atan={5:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000015, res == -0.0f && __signbit_float(res) == 1=0, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000016, y=1000000000000000000000000000014, zero_atan2=0] [L256] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L257] reach_error() VAL [aT_atan={4:0}, atanhi_atan={5:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000015, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000016, y=1000000000000000000000000000014, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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, ACCELERATED_INTERPOLATION: 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 [2022-11-19 06:38:39,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:38:41,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:38:41,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:38:41,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:38:41,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:38:41,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:38:41,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:38:41,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:38:41,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:38:41,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:38:41,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:38:41,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:38:41,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:38:41,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:38:41,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:38:41,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:38:41,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:38:41,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:38:41,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:38:41,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:38:41,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:38:41,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:38:41,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:38:41,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:38:41,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:38:41,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:38:41,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:38:41,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:38:41,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:38:41,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:38:41,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:38:41,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:38:41,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:38:41,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:38:41,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:38:41,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:38:41,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:38:41,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:38:41,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:38:41,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:38:41,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:38:41,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-19 06:38:41,709 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:38:41,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:38:41,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:38:41,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:38:41,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:38:41,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:38:41,712 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:38:41,712 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:38:41,713 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:38:41,713 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:38:41,714 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:38:41,714 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:38:41,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:38:41,716 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:38:41,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:38:41,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:38:41,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:38:41,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:38:41,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:38:41,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:38:41,718 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 06:38:41,718 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 06:38:41,718 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:38:41,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:38:41,719 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:38:41,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:38:41,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:38:41,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 06:38:41,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:38:41,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:38:41,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:38:41,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:38:41,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:38:41,721 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 06:38:41,721 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 06:38:41,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:38:41,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:38:41,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 06:38:41,722 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2022-11-19 06:38:42,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:38:42,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:38:42,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:38:42,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:38:42,127 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:38:42,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2022-11-19 06:38:42,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data/3222867dd/4b88ef73dc774c9db4972b2f5375aabe/FLAG9f105b949 [2022-11-19 06:38:42,702 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:38:42,707 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2022-11-19 06:38:42,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data/3222867dd/4b88ef73dc774c9db4972b2f5375aabe/FLAG9f105b949 [2022-11-19 06:38:43,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/data/3222867dd/4b88ef73dc774c9db4972b2f5375aabe [2022-11-19 06:38:43,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:38:43,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:38:43,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:38:43,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:38:43,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:38:43,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@894c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43, skipping insertion in model container [2022-11-19 06:38:43,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:38:43,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:38:43,375 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2022-11-19 06:38:43,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:38:43,392 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:38:43,481 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2022-11-19 06:38:43,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:38:43,516 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:38:43,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43 WrapperNode [2022-11-19 06:38:43,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:38:43,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:38:43,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:38:43,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:38:43,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,599 INFO L138 Inliner]: procedures = 24, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 253 [2022-11-19 06:38:43,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:38:43,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:38:43,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:38:43,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:38:43,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:38:43,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:38:43,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:38:43,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:38:43,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (1/1) ... [2022-11-19 06:38:43,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:38:43,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:38:43,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:38:43,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:38:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:38:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-19 06:38:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 06:38:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:38:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-19 06:38:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-19 06:38:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-19 06:38:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 06:38:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:38:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:38:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-19 06:38:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-19 06:38:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-19 06:38:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 06:38:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:38:43,907 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:38:43,909 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:38:58,844 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:38:58,854 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:38:58,855 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-19 06:38:58,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:38:58 BoogieIcfgContainer [2022-11-19 06:38:58,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:38:58,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:38:58,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:38:58,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:38:58,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:38:43" (1/3) ... [2022-11-19 06:38:58,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691dea40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:38:58, skipping insertion in model container [2022-11-19 06:38:58,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:38:43" (2/3) ... [2022-11-19 06:38:58,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691dea40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:38:58, skipping insertion in model container [2022-11-19 06:38:58,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:38:58" (3/3) ... [2022-11-19 06:38:58,872 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683a.c [2022-11-19 06:38:58,892 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:38:58,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:38:58,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:38:58,959 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23c2a281, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:38:58,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:38:58,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 87 states have (on average 1.6551724137931034) internal successors, (144), 88 states have internal predecessors, (144), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:38:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 06:38:58,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:58,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:38:58,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:38:58,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:58,980 INFO L85 PathProgramCache]: Analyzing trace with hash 430509684, now seen corresponding path program 1 times [2022-11-19 06:38:58,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:38:58,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50449796] [2022-11-19 06:38:58,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:58,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:38:58,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:38:59,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:38:59,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 06:39:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:00,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 06:39:00,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:00,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:00,200 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:00,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50449796] [2022-11-19 06:39:00,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50449796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:00,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:00,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:39:00,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203305325] [2022-11-19 06:39:00,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:00,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:39:00,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:00,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:39:00,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:39:00,268 INFO L87 Difference]: Start difference. First operand has 95 states, 87 states have (on average 1.6551724137931034) internal successors, (144), 88 states have internal predecessors, (144), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:00,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:00,318 INFO L93 Difference]: Finished difference Result 188 states and 306 transitions. [2022-11-19 06:39:00,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:39:00,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 06:39:00,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:00,329 INFO L225 Difference]: With dead ends: 188 [2022-11-19 06:39:00,329 INFO L226 Difference]: Without dead ends: 91 [2022-11-19 06:39:00,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:39:00,336 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:00,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:39:00,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-19 06:39:00,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-19 06:39:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 84 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:39:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2022-11-19 06:39:00,379 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 15 [2022-11-19 06:39:00,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:00,380 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2022-11-19 06:39:00,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2022-11-19 06:39:00,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 06:39:00,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:00,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:00,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-19 06:39:00,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:00,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:00,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1163685394, now seen corresponding path program 1 times [2022-11-19 06:39:00,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:00,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191474353] [2022-11-19 06:39:00,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:00,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:00,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:00,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:00,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 06:39:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:01,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-19 06:39:01,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:02,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:39:02,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2022-11-19 06:39:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:05,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:05,479 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:05,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191474353] [2022-11-19 06:39:05,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191474353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:05,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:05,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:39:05,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980823567] [2022-11-19 06:39:05,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:05,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:39:05,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:05,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:39:05,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2022-11-19 06:39:05,483 INFO L87 Difference]: Start difference. First operand 91 states and 128 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:05,515 INFO L93 Difference]: Finished difference Result 100 states and 137 transitions. [2022-11-19 06:39:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:39:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 06:39:05,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:05,517 INFO L225 Difference]: With dead ends: 100 [2022-11-19 06:39:05,517 INFO L226 Difference]: Without dead ends: 91 [2022-11-19 06:39:05,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2022-11-19 06:39:05,519 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 65 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:05,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 781 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 65 Unchecked, 0.0s Time] [2022-11-19 06:39:05,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-19 06:39:05,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-19 06:39:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:39:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 127 transitions. [2022-11-19 06:39:05,532 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 127 transitions. Word has length 18 [2022-11-19 06:39:05,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:05,532 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 127 transitions. [2022-11-19 06:39:05,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 127 transitions. [2022-11-19 06:39:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 06:39:05,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:05,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:05,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:05,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:05,759 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:05,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:05,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1297512530, now seen corresponding path program 1 times [2022-11-19 06:39:05,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:05,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716758908] [2022-11-19 06:39:05,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:05,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:05,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:05,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:05,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 06:39:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:06,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-19 06:39:06,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:07,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:07,743 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:07,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716758908] [2022-11-19 06:39:07,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716758908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:07,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:07,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:39:07,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119079513] [2022-11-19 06:39:07,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:07,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:39:07,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:07,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:39:07,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:39:07,745 INFO L87 Difference]: Start difference. First operand 91 states and 127 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:07,782 INFO L93 Difference]: Finished difference Result 109 states and 145 transitions. [2022-11-19 06:39:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:39:07,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-19 06:39:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:07,784 INFO L225 Difference]: With dead ends: 109 [2022-11-19 06:39:07,784 INFO L226 Difference]: Without dead ends: 100 [2022-11-19 06:39:07,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:39:07,786 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 22 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:07,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 608 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2022-11-19 06:39:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-19 06:39:07,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 91. [2022-11-19 06:39:07,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 84 states have (on average 1.4047619047619047) internal successors, (118), 84 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:39:07,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 126 transitions. [2022-11-19 06:39:07,810 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 126 transitions. Word has length 21 [2022-11-19 06:39:07,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:07,810 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 126 transitions. [2022-11-19 06:39:07,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2022-11-19 06:39:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 06:39:07,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:07,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:07,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:08,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:08,027 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:08,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:08,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1089410904, now seen corresponding path program 1 times [2022-11-19 06:39:08,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:08,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623605966] [2022-11-19 06:39:08,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:08,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:08,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:08,030 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:08,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 06:39:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:09,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-19 06:39:09,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:09,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:09,789 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:09,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623605966] [2022-11-19 06:39:09,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [623605966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:09,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:09,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:39:09,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242254768] [2022-11-19 06:39:09,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:09,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:39:09,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:09,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:39:09,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:39:09,791 INFO L87 Difference]: Start difference. First operand 91 states and 126 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:09,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:09,808 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-11-19 06:39:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:39:09,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-19 06:39:09,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:09,810 INFO L225 Difference]: With dead ends: 154 [2022-11-19 06:39:09,810 INFO L226 Difference]: Without dead ends: 100 [2022-11-19 06:39:09,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:39:09,811 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 22 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:09,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 564 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2022-11-19 06:39:09,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-19 06:39:09,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 91. [2022-11-19 06:39:09,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 84 states have (on average 1.3928571428571428) internal successors, (117), 84 states have internal predecessors, (117), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:39:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2022-11-19 06:39:09,840 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 23 [2022-11-19 06:39:09,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:09,840 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2022-11-19 06:39:09,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:09,840 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2022-11-19 06:39:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 06:39:09,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:09,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:09,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-19 06:39:10,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:10,061 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:10,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:10,062 INFO L85 PathProgramCache]: Analyzing trace with hash 688042196, now seen corresponding path program 1 times [2022-11-19 06:39:10,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:10,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894118611] [2022-11-19 06:39:10,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:10,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:10,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:10,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:10,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-19 06:39:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:11,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-19 06:39:11,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:11,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:11,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:11,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894118611] [2022-11-19 06:39:11,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894118611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:11,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:11,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:39:11,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309366434] [2022-11-19 06:39:11,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:11,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:39:11,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:11,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:39:11,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:39:11,500 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:16,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:16,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:16,068 INFO L93 Difference]: Finished difference Result 167 states and 228 transitions. [2022-11-19 06:39:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:39:16,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-19 06:39:16,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:16,105 INFO L225 Difference]: With dead ends: 167 [2022-11-19 06:39:16,106 INFO L226 Difference]: Without dead ends: 94 [2022-11-19 06:39:16,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2022-11-19 06:39:16,107 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 15 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:16,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 446 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 11 Unchecked, 1.6s Time] [2022-11-19 06:39:16,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-19 06:39:16,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 85. [2022-11-19 06:39:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:39:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 114 transitions. [2022-11-19 06:39:16,122 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 114 transitions. Word has length 23 [2022-11-19 06:39:16,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:16,123 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 114 transitions. [2022-11-19 06:39:16,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 114 transitions. [2022-11-19 06:39:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 06:39:16,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:16,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:16,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:16,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:16,325 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:16,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:16,325 INFO L85 PathProgramCache]: Analyzing trace with hash -408436717, now seen corresponding path program 1 times [2022-11-19 06:39:16,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:16,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817940288] [2022-11-19 06:39:16,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:16,326 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:16,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:16,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:16,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-19 06:39:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:17,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 06:39:17,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:17,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:17,952 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:17,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817940288] [2022-11-19 06:39:17,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1817940288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:17,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:17,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:39:17,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071083620] [2022-11-19 06:39:17,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:17,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:39:17,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:17,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:39:17,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:39:17,954 INFO L87 Difference]: Start difference. First operand 85 states and 114 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:19,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:19,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:19,964 INFO L93 Difference]: Finished difference Result 103 states and 132 transitions. [2022-11-19 06:39:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:39:20,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-19 06:39:20,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:20,001 INFO L225 Difference]: With dead ends: 103 [2022-11-19 06:39:20,001 INFO L226 Difference]: Without dead ends: 94 [2022-11-19 06:39:20,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:39:20,003 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 34 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:20,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 515 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 15 Unchecked, 1.8s Time] [2022-11-19 06:39:20,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-19 06:39:20,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 85. [2022-11-19 06:39:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 78 states have internal predecessors, (105), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:39:20,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 113 transitions. [2022-11-19 06:39:20,010 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 113 transitions. Word has length 24 [2022-11-19 06:39:20,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:20,010 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 113 transitions. [2022-11-19 06:39:20,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2022-11-19 06:39:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 06:39:20,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:20,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:20,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:20,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:20,221 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:20,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:20,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1117700845, now seen corresponding path program 1 times [2022-11-19 06:39:20,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:20,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424746980] [2022-11-19 06:39:20,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:20,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:20,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:20,224 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:20,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-19 06:39:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:21,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-19 06:39:21,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:23,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:23,511 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:23,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424746980] [2022-11-19 06:39:23,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424746980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:23,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:23,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 06:39:23,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104326404] [2022-11-19 06:39:23,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:23,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:39:23,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:23,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:39:23,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:39:23,514 INFO L87 Difference]: Start difference. First operand 85 states and 113 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:25,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:25,942 INFO L93 Difference]: Finished difference Result 148 states and 194 transitions. [2022-11-19 06:39:25,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:39:25,943 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-19 06:39:25,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:25,950 INFO L225 Difference]: With dead ends: 148 [2022-11-19 06:39:25,950 INFO L226 Difference]: Without dead ends: 89 [2022-11-19 06:39:25,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=23, Invalid=86, Unknown=1, NotChecked=0, Total=110 [2022-11-19 06:39:25,952 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 14 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:25,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 792 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 25 Unchecked, 0.1s Time] [2022-11-19 06:39:25,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-19 06:39:25,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2022-11-19 06:39:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 73 states have (on average 1.3013698630136987) internal successors, (95), 73 states have internal predecessors, (95), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:39:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-11-19 06:39:25,960 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 24 [2022-11-19 06:39:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:25,960 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-11-19 06:39:25,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-19 06:39:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 06:39:25,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:25,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:25,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:26,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:26,187 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:26,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:26,187 INFO L85 PathProgramCache]: Analyzing trace with hash 200599730, now seen corresponding path program 1 times [2022-11-19 06:39:26,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:26,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447617933] [2022-11-19 06:39:26,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:26,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:26,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:26,189 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:26,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-19 06:39:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:27,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:39:27,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:27,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:27,776 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:27,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447617933] [2022-11-19 06:39:27,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447617933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:27,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:27,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:39:27,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562628556] [2022-11-19 06:39:27,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:27,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:39:27,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:27,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:39:27,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:39:27,779 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:27,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:27,823 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2022-11-19 06:39:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:39:27,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-19 06:39:27,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:27,824 INFO L225 Difference]: With dead ends: 92 [2022-11-19 06:39:27,824 INFO L226 Difference]: Without dead ends: 89 [2022-11-19 06:39:27,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:39:27,826 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 86 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:27,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 304 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2022-11-19 06:39:27,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-19 06:39:27,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 82. [2022-11-19 06:39:27,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.2933333333333332) internal successors, (97), 75 states have internal predecessors, (97), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:39:27,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-11-19 06:39:27,835 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 25 [2022-11-19 06:39:27,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:27,836 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-11-19 06:39:27,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-11-19 06:39:27,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 06:39:27,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:27,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:27,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:28,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:28,063 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:28,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:28,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1905478008, now seen corresponding path program 1 times [2022-11-19 06:39:28,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:28,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503089472] [2022-11-19 06:39:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:28,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:28,066 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:28,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-19 06:39:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:29,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 06:39:29,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:30,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:30,232 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:30,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503089472] [2022-11-19 06:39:30,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503089472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:30,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:30,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:39:30,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403446508] [2022-11-19 06:39:30,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:30,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:39:30,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:30,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:39:30,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:39:30,234 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:30,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:30,250 INFO L93 Difference]: Finished difference Result 126 states and 157 transitions. [2022-11-19 06:39:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:39:30,251 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-19 06:39:30,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:30,252 INFO L225 Difference]: With dead ends: 126 [2022-11-19 06:39:30,252 INFO L226 Difference]: Without dead ends: 69 [2022-11-19 06:39:30,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:39:30,254 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 9 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:30,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 378 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2022-11-19 06:39:30,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-19 06:39:30,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 62. [2022-11-19 06:39:30,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 57 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:39:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2022-11-19 06:39:30,261 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 26 [2022-11-19 06:39:30,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:30,261 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2022-11-19 06:39:30,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:30,262 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2022-11-19 06:39:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 06:39:30,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:30,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:30,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:30,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:30,474 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:30,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:30,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1991575188, now seen corresponding path program 1 times [2022-11-19 06:39:30,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:30,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006607721] [2022-11-19 06:39:30,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:30,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:30,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:30,477 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:30,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-19 06:39:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:31,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 06:39:31,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:31,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:31,891 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:31,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006607721] [2022-11-19 06:39:31,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006607721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:31,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:31,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:39:31,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118407693] [2022-11-19 06:39:31,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:31,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:39:31,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:31,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:39:31,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:39:31,892 INFO L87 Difference]: Start difference. First operand 62 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 06:39:31,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:31,896 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2022-11-19 06:39:31,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:39:31,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-19 06:39:31,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:31,897 INFO L225 Difference]: With dead ends: 69 [2022-11-19 06:39:31,897 INFO L226 Difference]: Without dead ends: 30 [2022-11-19 06:39:31,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:39:31,898 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:31,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-11-19 06:39:31,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-19 06:39:31,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-19 06:39:31,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0) internal successors, (29), 29 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2022-11-19 06:39:31,902 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 29 [2022-11-19 06:39:31,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:31,903 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2022-11-19 06:39:31,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 06:39:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2022-11-19 06:39:31,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 06:39:31,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:31,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:31,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:32,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:32,122 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:32,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:32,123 INFO L85 PathProgramCache]: Analyzing trace with hash 544560647, now seen corresponding path program 1 times [2022-11-19 06:39:32,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:39:32,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432320904] [2022-11-19 06:39:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:32,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:32,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:39:32,124 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:39:32,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-19 06:39:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:33,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-19 06:39:33,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:39:34,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:34,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:39:34,330 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:39:34,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432320904] [2022-11-19 06:39:34,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1432320904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:34,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:34,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:39:34,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101815248] [2022-11-19 06:39:34,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:34,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:39:34,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:39:34,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:39:34,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:39:34,333 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:34,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:34,461 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2022-11-19 06:39:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 06:39:34,461 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-19 06:39:34,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:34,462 INFO L225 Difference]: With dead ends: 30 [2022-11-19 06:39:34,462 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:39:34,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:39:34,463 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:34,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 144 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2022-11-19 06:39:34,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:39:34,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:39:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:39:34,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-19 06:39:34,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:34,464 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:39:34,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:39:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:39:34,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:39:34,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:39:34,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-19 06:39:34,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:39:34,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 06:39:36,381 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2022-11-19 06:39:36,381 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2022-11-19 06:39:36,381 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2022-11-19 06:39:36,382 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2022-11-19 06:39:36,382 INFO L902 garLoopResultBuilder]: At program point L21-1(lines 14 27) the Hoare annotation is: true [2022-11-19 06:39:36,382 INFO L899 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2022-11-19 06:39:36,382 INFO L899 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2022-11-19 06:39:36,382 INFO L902 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2022-11-19 06:39:36,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 06:39:36,383 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2022-11-19 06:39:36,383 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 260) no Hoare annotation was computed. [2022-11-19 06:39:36,383 INFO L899 garLoopResultBuilder]: For program point L252-2(lines 252 260) no Hoare annotation was computed. [2022-11-19 06:39:36,383 INFO L895 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and |ULTIMATE.start___ieee754_atan2f_#t~switch30#1| (exists ((currentRoundingMode RoundingMode)) (= (fp.neg ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_atan2f_#res#1|))) [2022-11-19 06:39:36,383 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-11-19 06:39:36,384 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2022-11-19 06:39:36,384 INFO L895 garLoopResultBuilder]: At program point L203-1(lines 196 208) the Hoare annotation is: false [2022-11-19 06:39:36,384 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2022-11-19 06:39:36,384 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2022-11-19 06:39:36,384 INFO L899 garLoopResultBuilder]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2022-11-19 06:39:36,385 INFO L895 garLoopResultBuilder]: At program point L220-2(lines 220 224) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.neg ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___signbit_float_~x#1|)) (or (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) |ULTIMATE.start_main_#t~short42#1|)) [2022-11-19 06:39:36,385 INFO L899 garLoopResultBuilder]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2022-11-19 06:39:36,385 INFO L899 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2022-11-19 06:39:36,385 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2022-11-19 06:39:36,385 INFO L895 garLoopResultBuilder]: At program point L238(lines 230 239) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (or (and (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32)) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (not (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32))) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start_main_~y~0#1|)))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start_main_~y~0#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|))) [2022-11-19 06:39:36,385 INFO L895 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2022-11-19 06:39:36,385 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-11-19 06:39:36,386 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2022-11-19 06:39:36,386 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2022-11-19 06:39:36,386 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-19 06:39:36,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:39:36,386 INFO L899 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2022-11-19 06:39:36,386 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 256 259) no Hoare annotation was computed. [2022-11-19 06:39:36,386 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2022-11-19 06:39:36,387 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2022-11-19 06:39:36,387 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2022-11-19 06:39:36,387 INFO L895 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start___ieee754_atan2f_~y#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~x#1|)) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24))) [2022-11-19 06:39:36,387 INFO L899 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2022-11-19 06:39:36,387 INFO L899 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2022-11-19 06:39:36,387 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2022-11-19 06:39:36,388 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-19 06:39:36,388 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2022-11-19 06:39:36,388 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2022-11-19 06:39:36,388 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2022-11-19 06:39:36,388 INFO L899 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2022-11-19 06:39:36,388 INFO L895 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2022-11-19 06:39:36,388 INFO L899 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2022-11-19 06:39:36,389 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2022-11-19 06:39:36,389 INFO L895 garLoopResultBuilder]: At program point L226(lines 217 227) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (or (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) |ULTIMATE.start_main_#t~short42#1|)) [2022-11-19 06:39:36,389 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2022-11-19 06:39:36,389 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-19 06:39:36,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-19 06:39:36,390 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-11-19 06:39:36,390 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-11-19 06:39:36,390 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2022-11-19 06:39:36,390 INFO L899 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2022-11-19 06:39:36,391 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-19 06:39:36,391 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-19 06:39:36,391 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2022-11-19 06:39:36,391 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-19 06:39:36,391 INFO L902 garLoopResultBuilder]: At program point L262(lines 241 263) the Hoare annotation is: true [2022-11-19 06:39:36,391 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-19 06:39:36,392 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2022-11-19 06:39:36,392 INFO L895 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start___ieee754_atan2f_~y#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse0) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24))) [2022-11-19 06:39:36,392 INFO L899 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2022-11-19 06:39:36,392 INFO L899 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2022-11-19 06:39:36,392 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-19 06:39:36,393 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-19 06:39:36,393 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2022-11-19 06:39:36,393 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2022-11-19 06:39:36,393 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2022-11-19 06:39:36,393 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-19 06:39:36,393 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 236) no Hoare annotation was computed. [2022-11-19 06:39:36,393 INFO L895 garLoopResultBuilder]: At program point L232-2(lines 232 236) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_atan2~0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|))) [2022-11-19 06:39:36,394 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-19 06:39:36,394 INFO L899 garLoopResultBuilder]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2022-11-19 06:39:36,394 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2022-11-19 06:39:36,394 INFO L902 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2022-11-19 06:39:36,394 INFO L899 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2022-11-19 06:39:36,394 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2022-11-19 06:39:36,394 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-11-19 06:39:36,395 INFO L902 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2022-11-19 06:39:36,395 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-11-19 06:39:36,395 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2022-11-19 06:39:36,395 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2022-11-19 06:39:36,395 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2022-11-19 06:39:36,396 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2022-11-19 06:39:36,396 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2022-11-19 06:39:36,396 INFO L899 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2022-11-19 06:39:36,396 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2022-11-19 06:39:36,397 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2022-11-19 06:39:36,397 INFO L899 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2022-11-19 06:39:36,397 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2022-11-19 06:39:36,397 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2022-11-19 06:39:36,397 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2022-11-19 06:39:36,397 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2022-11-19 06:39:36,401 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:39:36,404 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:39:36,420 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,421 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,422 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,422 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,422 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,423 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,423 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,423 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,423 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,424 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,424 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,424 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,424 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,430 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,431 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,431 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,431 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,431 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,433 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,433 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,433 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,433 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,435 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,436 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,436 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,436 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,436 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,436 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,437 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,437 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,437 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,437 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,437 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,438 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,439 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,439 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,439 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,439 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,439 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,440 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,440 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,440 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,440 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,441 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,441 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,442 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,443 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,443 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,443 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,443 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,444 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,444 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,444 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,445 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,445 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,445 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,445 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,445 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,449 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,449 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,449 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,450 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,450 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,450 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:39:36 BoogieIcfgContainer [2022-11-19 06:39:36,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:39:36,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:39:36,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:39:36,452 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:39:36,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:38:58" (3/4) ... [2022-11-19 06:39:36,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:39:36,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-11-19 06:39:36,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2022-11-19 06:39:36,470 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2022-11-19 06:39:36,471 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-19 06:39:36,471 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 06:39:36,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:39:36,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) [2022-11-19 06:39:36,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && ((\result == 0bv32 && (\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y)) || ((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && \result == 1bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) [2022-11-19 06:39:36,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2022-11-19 06:39:36,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2022-11-19 06:39:36,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) [2022-11-19 06:39:36,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) [2022-11-19 06:39:36,501 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 1bv32 && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) [2022-11-19 06:39:36,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:39:36,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:39:36,530 INFO L158 Benchmark]: Toolchain (without parser) took 53482.46ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 30.0MB in the end (delta: 7.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-11-19 06:39:36,531 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:39:36,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.39ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 38.5MB in the end (delta: -1.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 06:39:36,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.94ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 36.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:39:36,532 INFO L158 Benchmark]: Boogie Preprocessor took 89.13ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 33.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:39:36,532 INFO L158 Benchmark]: RCFGBuilder took 15166.17ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.0MB in the beginning and 48.8MB in the end (delta: -15.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-11-19 06:39:36,533 INFO L158 Benchmark]: TraceAbstraction took 37590.38ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 36.3MB in the end (delta: 11.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-19 06:39:36,533 INFO L158 Benchmark]: Witness Printer took 78.26ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 30.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 06:39:36,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.39ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 38.5MB in the end (delta: -1.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.94ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 36.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.13ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 33.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 15166.17ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.0MB in the beginning and 48.8MB in the end (delta: -15.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 37590.38ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 36.3MB in the end (delta: 11.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Witness Printer took 78.26ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 30.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 257]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.5s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 4755 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 189 IncrementalHoareTripleChecker+Unchecked, 3697 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1058 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 253 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 59 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 67 PreInvPairs, 75 NumberOfFragments, 242 HoareAnnotationTreeSize, 67 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 42 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 246 ConstructedInterpolants, 141 QuantifiedInterpolants, 2339 SizeOfPredicates, 78 NumberOfNonLiveVariables, 1547 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2022-11-19 06:39:36,551 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,551 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,551 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,551 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,551 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,552 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,552 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,552 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,552 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,552 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,553 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,553 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,553 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,554 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,554 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,554 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,554 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,555 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,556 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-19 06:39:36,556 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,556 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant [2022-11-19 06:39:36,557 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,558 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,558 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,558 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,558 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,558 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,559 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,559 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,559 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,559 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,559 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,560 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,560 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,560 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,560 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,561 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,562 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && ((\result == 0bv32 && (\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y)) || ((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && \result == 1bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 217]: Loop Invariant [2022-11-19 06:39:36,563 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,563 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: \result == 1bv32 && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) - InvariantResult [Line: 124]: Loop Invariant [2022-11-19 06:39:36,563 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-19 06:39:36,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 120]: Loop Invariant [2022-11-19 06:39:36,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) - InvariantResult [Line: 232]: Loop Invariant [2022-11-19 06:39:36,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,569 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant [2022-11-19 06:39:36,569 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,569 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,570 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-19 06:39:36,570 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) && ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == zero_atan2) || aux-res == -0.0f && __signbit_float(res) == 1-aux) RESULT: Ultimate proved your program to be correct! [2022-11-19 06:39:36,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1205bb2b-14c4-467c-bdfd-2369df98b45f/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE